| 
                         
                     | 
                    
                         
                     |                     
                    Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | 
                 
            
                
                                            
                          | ASSETS |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS |  
  
                     | 
                    
                     | 
                    318,530 | 293,410 | 277,172 | 296,898 | 313,849 | 
                 
            
                
                                            
                          | I. Cash and cash equivalents |  
                          
                     | 
                                            
                     | 
                    50,259 | 49,051 | 35,637 | 50,637 | 64,365 | 
                 
            
                
                    
                          | 1. Cash |  
  
                     | 
                    
                     | 
                    36,259 | 19,051 | 8,637 | 18,637 | 28,344 | 
                 
            
                
                                            
                          | 2. Cash equivalents |  
                          
                     | 
                                            
                     | 
                    14,000 | 30,000 | 27,000 | 32,000 | 36,020 | 
                 
            
                
                    
                          | II. Short-term financial investments |  
  
                     | 
                    
                     | 
                    44,015 | 50,667 | 50,263 | 49,714 | 44,872 | 
                 
            
                
                                            
                          | 1. Trading securities |  
                          
                     | 
                                            
                     | 
                    46,392 | 54,982 | 53,831 | 53,831 | 49,816 | 
                 
            
                
                    
                          | 2. Provision for diminution in value of trading securities |  
  
                     | 
                    
                     | 
                    -2,377 | -4,314 | -3,568 | -4,117 | -4,944 | 
                 
            
                
                                            
                          | 3. Investments holding until maturity |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | III. Short-term receivables |  
  
                     | 
                    
                     | 
                    123,049 | 103,832 | 60,095 | 71,195 | 80,822 | 
                 
            
                
                                            
                          | 1.  Short-term receivables of customers |  
                          
                     | 
                                            
                     | 
                    113,839 | 110,790 | 69,868 | 75,267 | 83,344 | 
                 
            
                
                    
                          | 2. Prepayments to suppliers |  
  
                     | 
                    
                     | 
                    34,659 | 17,536 | 12,056 | 10,961 | 13,789 | 
                 
            
                
                                            
                          | 3. Short-term intercompany receivables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 4. Receivables according to the progress of construction contracts |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 5. Receivables on short-term loans |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 6. Other short-term receivables |  
  
                     | 
                    
                     | 
                    8,643 | 9,627 | 13,163 | 14,745 | 12,955 | 
                 
            
                
                                            
                          | 7. Provision for doubtful short-term receivables |  
                          
                     | 
                                            
                     | 
                    -34,091 | -34,121 | -34,992 | -29,778 | -29,266 | 
                 
            
                
                    
                          | IV. Inventories |  
  
                     | 
                    
                     | 
                    98,939 | 85,561 | 124,534 | 120,161 | 119,856 | 
                 
            
                
                                            
                          | 1. Inventories |  
                          
                     | 
                                            
                     | 
                    106,072 | 94,713 | 133,334 | 130,477 | 128,693 | 
                 
            
                
                    
                          | 2. Provision for decline in value of inventories |  
  
                     | 
                    
                     | 
                    -7,133 | -9,152 | -8,800 | -10,316 | -8,838 | 
                 
            
                
                                            
                          | V. Other current assets |  
                          
                     | 
                                            
                     | 
                    2,268 | 4,298 | 6,643 | 5,191 | 3,934 | 
                 
            
                
                    
                          | 1. Short-term prepaid expenses |  
  
                     | 
                    
                     | 
                    635 | 744 | 678 | 612 | 900 | 
                 
            
                
                                            
                          | 2. Deductible VAT |  
                          
                     | 
                                            
                     | 
                    10 | 10 | 10 | 10 | 11 | 
                 
            
                
                    
                          | 3. Taxes and the State Receivables |  
  
                     | 
                    
                     | 
                    1,622 | 3,544 | 5,955 | 4,569 | 3,024 | 
                 
            
                
                                            
                          | 4. Repurchasing and reselling transactions in government bonds |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 5. Other current assets |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | B. FIXED ASSETS AND LONG-TERM INVESTMENTS |  
                          
                     | 
                                            
                     | 
                    490,148 | 494,510 | 489,824 | 484,944 | 470,628 | 
                 
            
                
                    
                          | I. Long-term receivables |  
  
                     | 
                    
                     | 
                    105,115 | 104,584 | 104,584 | 104,804 | 104,804 | 
                 
            
                
                                            
                          | 1. Long-term customer's receivables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 2. Business capital in the subsidiary units |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 3. Internal long-term receivables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 4. Receivables on long-term loans |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 5. Other long-term receivables |  
                          
                     | 
                                            
                     | 
                    105,115 | 104,584 | 104,584 | 104,804 | 104,804 | 
                 
            
                
                    
                          | 6. Provision for doubtful long-term receivables |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | II. Fixed assets |  
                          
                     | 
                                            
                     | 
                    140,674 | 141,681 | 135,120 | 131,186 | 127,712 | 
                 
            
                
                    
                          | 1. Tangible fixed assets |  
  
                     | 
                    
                     | 
                    85,158 | 86,624 | 83,899 | 80,401 | 77,363 | 
                 
            
                
                                            
                          | - Cost |  
                          
                     | 
                                            
                     | 
                    255,062 | 257,677 | 257,677 | 253,778 | 249,616 | 
                 
            
                
                    
                          | - Accumulated depreciation |  
  
                     | 
                    
                     | 
                    -169,904 | -171,053 | -173,778 | -173,377 | -172,254 | 
                 
            
                
                                            
                          | 2. Fixed assets of financial leasing |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | - Cost |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | - Accumulated depreciation |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Intangible fixed assets |  
  
                     | 
                    
                     | 
                    55,516 | 55,057 | 51,221 | 50,785 | 50,350 | 
                 
            
                
                                            
                          | - Cost |  
                          
                     | 
                                            
                     | 
                    101,648 | 101,648 | 97,082 | 97,082 | 97,082 | 
                 
            
                
                    
                          | - Accumulated depreciation |  
  
                     | 
                    
                     | 
                    -46,132 | -46,591 | -45,862 | -46,297 | -46,733 | 
                 
            
                
                                            
                          | III. Real Estate Investments |  
                          
                     | 
                                            
                     | 
                    2,976 | 2,876 | 6,154 | 8,629 | 8,425 | 
                 
            
                
                    
                          | - Cost |  
  
                     | 
                    
                     | 
                    8,331 | 8,331 | 12,897 | 15,522 | 15,522 | 
                 
            
                
                                            
                          | - Accumulated depreciation |  
                          
                     | 
                                            
                     | 
                    -5,355 | -5,455 | -6,744 | -6,894 | -7,097 | 
                 
            
                
                    
                          | IV. Long-term assets in progress |  
  
                     | 
                    
                     | 
                    3,061 | 2,476 | 5,100 | 2,787 | 2,915 | 
                 
            
                
                                            
                          | 1. Costs of  long-term production, business in progress |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 2. Costs of construction in progress |  
  
                     | 
                    
                     | 
                    3,061 | 2,476 | 5,100 | 2,787 | 2,915 | 
                 
            
                
                                            
                          | IV. Long-term financial investments |  
                          
                     | 
                                            
                     | 
                    178,118 | 182,659 | 179,069 | 178,748 | 167,539 | 
                 
            
                
                    
                          | 1. Investment in subsidiaries |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 2. Investments in associated companies, joint ventures |  
                          
                     | 
                                            
                     | 
                    140,160 | 144,675 | 141,085 | 140,764 | 145,555 | 
                 
            
                
                    
                          | 3. Other investments in equity instruments |  
  
                     | 
                    
                     | 
                    22,701 | 22,701 | 22,701 | 22,701 | 22,701 | 
                 
            
                
                                            
                          | 4. Provision for diminution in value of financial long-term investments |  
                          
                     | 
                                            
                     | 
                    -743 | -717 | -717 | -717 | -717 | 
                 
            
                
                    
                          | 5. Investments holding until maturity |  
  
                     | 
                    
                     | 
                    16,000 | 16,000 | 16,000 | 16,000 |   | 
                 
            
                
                                            
                          | V. Total other long-term assets |  
                          
                     | 
                                            
                     | 
                    60,203 | 60,234 | 59,796 | 58,791 | 59,232 | 
                 
            
                
                    
                          | 1. Long-term prepaid expenses |  
  
                     | 
                    
                     | 
                    60,203 | 60,234 | 59,796 | 58,791 | 59,232 | 
                 
            
                
                                            
                          | 2. Deferred income tax assets |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Other long-term assets |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | VI. Goodwills |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | TOTAL ASSETS |  
  
                     | 
                    
                     | 
                    808,677 | 787,920 | 766,996 | 781,842 | 784,477 | 
                 
            
                
                                            
                          | CAPITAL RESOURCES |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | A. LIABILITIES |  
  
                     | 
                    
                     | 
                    267,180 | 241,008 | 221,831 | 243,722 | 233,267 | 
                 
            
                
                                            
                          | I. Current liabilities |  
                          
                     | 
                                            
                     | 
                    267,180 | 241,008 | 221,792 | 243,684 | 233,228 | 
                 
            
                
                    
                          | 1. Borrowings and short-term financial leased liabilities |  
  
                     | 
                    
                     | 
                    195,106 | 168,878 | 153,866 | 140,849 | 137,193 | 
                 
            
                
                                            
                          | 2. Long-term borrowings are due to pay |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Short-term payables to sellers |  
  
                     | 
                    
                     | 
                    14,153 | 16,394 | 14,459 | 15,168 | 18,877 | 
                 
            
                
                                            
                          | 4. Advances from customers |  
                          
                     | 
                                            
                     | 
                    25,598 | 22,097 | 18,628 | 34,614 | 25,093 | 
                 
            
                
                    
                          | 5. Taxes and other payables to the State Budget |  
  
                     | 
                    
                     | 
                    378 | 179 |   | 19,669 | 19,669 | 
                 
            
                
                                            
                          | 6. Payables to employees |  
                          
                     | 
                                            
                     | 
                    4,714 | 7,551 | 3,047 | 3,259 | 2,630 | 
                 
            
                
                    
                          | 7. Short-term accrued expenses |  
  
                     | 
                    
                     | 
                    20,749 | 19,205 | 24,199 | 16,629 | 17,732 | 
                 
            
                
                                            
                          | 8. Short-term intercompany payables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 9. Payables to the scheduled progress of construction contracts |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 10. Short-term unrealized Revenue |  
                          
                     | 
                                            
                     | 
                    67 | 17 | 17 |   |   | 
                 
            
                
                    
                          | 11. Other short-term payables |  
  
                     | 
                    
                     | 
                    6,057 | 5,922 | 7,104 | 5,011 | 4,384 | 
                 
            
                
                                            
                          | 12. Provision for short term payables |  
                          
                     | 
                                            
                     | 
                    359 | 765 |   | 681 | 681 | 
                 
            
                
                    
                          | 13. Bonus and welfare fund |  
  
                     | 
                    
                     | 
                      |   | 473 | 7,804 | 6,969 | 
                 
            
                
                                            
                          | 14. Price stabilization fund |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 15. Repurchasing and reselling transactions in government bonds |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | II. Long-term liabilities |  
                          
                     | 
                                            
                     | 
                      |   | 39 | 39 | 39 | 
                 
            
                
                    
                          | 1. Long-term payables to sellers |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 2. Long-term accrued expenses |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Intercompany payables on business capital |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 4. Long-term intra-company payables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 5. Other long-term payables |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 6. Borrowings and long-term financial leased liabilities |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 7. Convertible bonds |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 8. Deferred income tax payables |  
                          
                     | 
                                            
                     | 
                      |   | 39 | 39 | 39 | 
                 
            
                
                    
                          | 9. Provision for job loss allowance |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 10. Provision for long-term payables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 11. Long-term unrealized revenue |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 12. Development fund of science and technology |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | B. OWNER'S EQUITY |  
  
                     | 
                    
                     | 
                    541,497 | 546,911 | 545,165 | 538,119 | 551,210 | 
                 
            
                
                                            
                          | I. ShareHolder's equity |  
                          
                     | 
                                            
                     | 
                    541,497 | 546,911 | 545,165 | 538,119 | 551,210 | 
                 
            
                
                    
                          | 1. Owner's investment capital |  
  
                     | 
                    
                     | 
                    150,301 | 150,301 | 150,301 | 150,301 | 150,301 | 
                 
            
                
                                            
                          | 2. Share capital surplus |  
                          
                     | 
                                            
                     | 
                    2,190 | 2,190 | 2,190 | 2,190 | 2,190 | 
                 
            
                
                    
                          | 3. Bond conversion option |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 4. Other owner's capital |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 5. Treasury shares |  
  
                     | 
                    
                     | 
                    -20 | -20 | -20 | -20 | -20 | 
                 
            
                
                                            
                          | 6. Differences upon asset revaluation |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 7. Differences upon foreign exchange rate |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 8. Investment and development funds |  
                          
                     | 
                                            
                     | 
                    216,218 | 216,218 | 216,218 | 217,067 | 217,067 | 
                 
            
                
                    
                          | 9. Financial reserve funds |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 10. Other funds belonging to owner's equity |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 11. After tax undistributed profit |  
  
                     | 
                    
                     | 
                    170,841 | 176,256 | 174,487 | 166,592 | 179,683 | 
                 
            
                
                                            
                          | - After tax undistributed profit accumulated to the end of prior period |  
                          
                     | 
                                            
                     | 
                    164,915 | 164,915 | 172,953 | 171,004 | 171,319 | 
                 
            
                
                    
                          | - Profit after tax undistributed this period |  
  
                     | 
                    
                     | 
                    5,926 | 11,340 | 1,534 | -4,412 | 8,364 | 
                 
            
                
                                            
                          | 12. Investment capital resource for basic construction |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 13. Assistance fund for arrangement of enterprises |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 14. interest of shareholders who not control |  
                          
                     | 
                                            
                     | 
                    1,967 | 1,967 | 1,989 | 1,989 | 1,989 | 
                 
            
                
                    
                          | II. Funding resources and other funds |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 1. Funding resources |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 2. Funding resources that form fixed assets |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 3. Retrenchment provision fund |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | TOTAL CAPITAL RESOURCES |  
  
                     | 
                    
                     | 
                    808,677 | 787,920 | 766,996 | 781,842 | 784,477 | 
                 
                        
                 
                    
     
    
    
     
        There is no report.
    
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