| 
                         
                     | 
                    
                         
                     |                     
                    Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | 
                 
            
                
                                            
                          | ASSETS |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS |  
  
                     | 
                    
                     | 
                    175,419 | 242,947 | 237,106 | 192,174 | 235,791 | 
                 
            
                
                                            
                          | I. Cash and cash equivalents |  
                          
                     | 
                                            
                     | 
                    74,776 | 102,820 | 34,177 | 78,815 | 88,747 | 
                 
            
                
                    
                          | 1. Cash |  
  
                     | 
                    
                     | 
                    22,773 | 21,795 | 6,144 | 13,815 | 36,747 | 
                 
            
                
                                            
                          | 2. Cash equivalents |  
                          
                     | 
                                            
                     | 
                    52,003 | 81,025 | 28,033 | 65,000 | 52,000 | 
                 
            
                
                    
                          | II. Short-term financial investments |  
  
                     | 
                    
                     | 
                      |   | 33,000 |   |   | 
                 
            
                
                                            
                          | 1. Trading securities |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 2. Provision for diminution in value of trading securities |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 3. Investments holding until maturity |  
                          
                     | 
                                            
                     | 
                      |   | 33,000 |   |   | 
                 
            
                
                    
                          | III. Short-term receivables |  
  
                     | 
                    
                     | 
                    63,261 | 96,186 | 102,448 | 72,474 | 92,430 | 
                 
            
                
                                            
                          | 1.  Short-term receivables of customers |  
                          
                     | 
                                            
                     | 
                    50,604 | 71,343 | 77,666 | 67,326 | 85,336 | 
                 
            
                
                    
                          | 2. Prepayments to suppliers |  
  
                     | 
                    
                     | 
                    22,039 | 38,114 | 38,415 | 21,455 | 23,452 | 
                 
            
                
                                            
                          | 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 |  
  
                     | 
                    
                     | 
                    4,565 | 3,934 | 3,669 | 3,524 | 3,591 | 
                 
            
                
                                            
                          | 7. Provision for doubtful short-term receivables |  
                          
                     | 
                                            
                     | 
                    -13,948 | -17,205 | -17,302 | -19,831 | -19,948 | 
                 
            
                
                    
                          | IV. Inventories |  
  
                     | 
                    
                     | 
                    27,007 | 30,939 | 54,246 | 29,207 | 44,064 | 
                 
            
                
                                            
                          | 1. Inventories |  
                          
                     | 
                                            
                     | 
                    27,383 | 31,315 | 54,607 | 29,568 | 44,425 | 
                 
            
                
                    
                          | 2. Provision for decline in value of inventories |  
  
                     | 
                    
                     | 
                    -376 | -376 | -361 | -361 | -361 | 
                 
            
                
                                            
                          | V. Other current assets |  
                          
                     | 
                                            
                     | 
                    10,375 | 13,002 | 13,235 | 11,679 | 10,550 | 
                 
            
                
                    
                          | 1. Short-term prepaid expenses |  
  
                     | 
                    
                     | 
                    10,375 | 13,002 | 12,995 | 11,679 | 10,550 | 
                 
            
                
                                            
                          | 2. Deductible VAT |  
                          
                     | 
                                            
                     | 
                      |   | 240 |   |   | 
                 
            
                
                    
                          | 3. Taxes and the State Receivables |  
  
                     | 
                    
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 4. Repurchasing and reselling transactions in government bonds |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 5. Other current assets |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | B. FIXED ASSETS AND LONG-TERM INVESTMENTS |  
                          
                     | 
                                            
                     | 
                    291,134 | 286,319 | 282,396 | 279,719 | 278,306 | 
                 
            
                
                    
                          | I. Long-term receivables |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 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 |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 6. Provision for doubtful long-term receivables |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | II. Fixed assets |  
                          
                     | 
                                            
                     | 
                    149,257 | 145,192 | 141,011 | 136,795 | 141,441 | 
                 
            
                
                    
                          | 1. Tangible fixed assets |  
  
                     | 
                    
                     | 
                    130,652 | 126,723 | 122,679 | 118,600 | 123,383 | 
                 
            
                
                                            
                          | - Cost |  
                          
                     | 
                                            
                     | 
                    254,801 | 254,952 | 254,623 | 254,623 | 262,885 | 
                 
            
                
                    
                          | - Accumulated depreciation |  
  
                     | 
                    
                     | 
                    -124,149 | -128,229 | -131,944 | -136,022 | -139,502 | 
                 
            
                
                                            
                          | 2. Fixed assets of financial leasing |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | - Cost |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | - Accumulated depreciation |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Intangible fixed assets |  
  
                     | 
                    
                     | 
                    18,606 | 18,469 | 18,332 | 18,195 | 18,058 | 
                 
            
                
                                            
                          | - Cost |  
                          
                     | 
                                            
                     | 
                    23,567 | 23,567 | 23,567 | 23,567 | 23,567 | 
                 
            
                
                    
                          | - Accumulated depreciation |  
  
                     | 
                    
                     | 
                    -4,962 | -5,099 | -5,235 | -5,372 | -5,509 | 
                 
            
                
                                            
                          | III. Real Estate Investments |  
                          
                     | 
                                            
                     | 
                    116,539 | 114,857 | 112,827 | 111,152 | 109,499 | 
                 
            
                
                    
                          | - Cost |  
  
                     | 
                    
                     | 
                    206,497 | 206,497 | 205,737 | 205,737 | 205,737 | 
                 
            
                
                                            
                          | - Accumulated depreciation |  
                          
                     | 
                                            
                     | 
                    -89,958 | -91,640 | -92,910 | -94,585 | -96,238 | 
                 
            
                
                    
                          | IV. Long-term assets in progress |  
  
                     | 
                    
                     | 
                    20,303 | 21,542 | 23,823 | 27,236 | 23,050 | 
                 
            
                
                                            
                          | 1. Costs of  long-term production, business in progress |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 2. Costs of construction in progress |  
  
                     | 
                    
                     | 
                    20,303 | 21,542 | 23,823 | 27,236 | 23,050 | 
                 
            
                
                                            
                          | IV. Long-term financial investments |  
                          
                     | 
                                            
                     | 
                    2,856 | 2,856 | 2,856 | 2,856 | 2,856 | 
                 
            
                
                    
                          | 1. Investment in subsidiaries |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 2. Investments in associated companies, joint ventures |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Other investments in equity instruments |  
  
                     | 
                    
                     | 
                    4,488 | 4,488 | 4,488 | 4,488 | 4,488 | 
                 
            
                
                                            
                          | 4. Provision for diminution in value of financial long-term investments |  
                          
                     | 
                                            
                     | 
                    -1,632 | -1,632 | -1,632 | -1,632 | -1,632 | 
                 
            
                
                    
                          | 5. Investments holding until maturity |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | V. Total other long-term assets |  
                          
                     | 
                                            
                     | 
                    1,594 | 1,383 | 1,488 | 1,387 | 1,265 | 
                 
            
                
                    
                          | 1. Long-term prepaid expenses |  
  
                     | 
                    
                     | 
                    916 | 710 | 795 | 700 | 591 | 
                 
            
                
                                            
                          | 2. Deferred income tax assets |  
                          
                     | 
                                            
                     | 
                    679 | 673 | 693 | 687 | 675 | 
                 
            
                
                    
                          | 3. Other long-term assets |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | VI. Goodwills |  
                          
                     | 
                                            
                     | 
                    586 | 488 | 390 | 293 | 195 | 
                 
            
                
                    
                          | TOTAL ASSETS |  
  
                     | 
                    
                     | 
                    466,554 | 529,265 | 519,501 | 471,893 | 514,097 | 
                 
            
                
                                            
                          | CAPITAL RESOURCES |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | A. LIABILITIES |  
  
                     | 
                    
                     | 
                    270,808 | 337,202 | 318,501 | 275,908 | 309,595 | 
                 
            
                
                                            
                          | I. Current liabilities |  
                          
                     | 
                                            
                     | 
                    137,138 | 206,959 | 193,039 | 155,088 | 192,650 | 
                 
            
                
                    
                          | 1. Borrowings and short-term financial leased liabilities |  
  
                     | 
                    
                     | 
                    9,553 | 10,529 | 21,330 | 11,339 | 12,474 | 
                 
            
                
                                            
                          | 2. Long-term borrowings are due to pay |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Short-term payables to sellers |  
  
                     | 
                    
                     | 
                    34,455 | 50,988 | 58,428 | 52,969 | 57,127 | 
                 
            
                
                                            
                          | 4. Advances from customers |  
                          
                     | 
                                            
                     | 
                    32,215 | 69,894 | 58,608 | 33,024 | 63,166 | 
                 
            
                
                    
                          | 5. Taxes and other payables to the State Budget |  
  
                     | 
                    
                     | 
                    10,200 | 7,479 | 5,730 | 13,458 | 17,478 | 
                 
            
                
                                            
                          | 6. Payables to employees |  
                          
                     | 
                                            
                     | 
                    754 | 2,243 | 1,222 | 1,063 | 977 | 
                 
            
                
                    
                          | 7. Short-term accrued expenses |  
  
                     | 
                    
                     | 
                    1,990 | 20,042 | 11,401 | 5,741 | 3,935 | 
                 
            
                
                                            
                          | 8. Short-term intercompany payables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 9. Payables to the scheduled progress of construction contracts |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 10. Short-term unrealized Revenue |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 11. Other short-term payables |  
  
                     | 
                    
                     | 
                    15,802 | 18,290 | 14,049 | 14,150 | 14,505 | 
                 
            
                
                                            
                          | 12. Provision for short term payables |  
                          
                     | 
                                            
                     | 
                    29,157 | 25,507 | 21,999 | 20,173 | 21,202 | 
                 
            
                
                    
                          | 13. Bonus and welfare fund |  
  
                     | 
                    
                     | 
                    3,011 | 1,988 | 271 | 3,170 | 1,787 | 
                 
            
                
                                            
                          | 14. Price stabilization fund |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 15. Repurchasing and reselling transactions in government bonds |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | II. Long-term liabilities |  
                          
                     | 
                                            
                     | 
                    133,670 | 130,243 | 125,463 | 120,820 | 116,945 | 
                 
            
                
                    
                          | 1. Long-term payables to sellers |  
  
                     | 
                    
                     | 
                      |   | 502 | 502 | 502 | 
                 
            
                
                                            
                          | 2. Long-term accrued expenses |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Intercompany payables on business capital |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 4. Long-term intra-company payables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 5. Other long-term payables |  
  
                     | 
                    
                     | 
                    27,880 | 27,847 | 26,928 | 26,660 | 27,026 | 
                 
            
                
                                            
                          | 6. Borrowings and long-term financial leased liabilities |  
                          
                     | 
                                            
                     | 
                    96,431 | 93,171 | 88,916 | 84,661 | 80,406 | 
                 
            
                
                    
                          | 7. Convertible bonds |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 8. Deferred income tax payables |  
                          
                     | 
                                            
                     | 
                    4,420 | 4,316 | 4,238 | 4,148 | 4,191 | 
                 
            
                
                    
                          | 9. Provision for job loss allowance |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 10. Provision for long-term payables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 11. Long-term unrealized revenue |  
  
                     | 
                    
                     | 
                    4,938 | 4,909 | 4,879 | 4,850 | 4,820 | 
                 
            
                
                                            
                          | 12. Development fund of science and technology |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | B. OWNER'S EQUITY |  
  
                     | 
                    
                     | 
                    195,746 | 192,063 | 201,000 | 195,986 | 204,502 | 
                 
            
                
                                            
                          | I. ShareHolder's equity |  
                          
                     | 
                                            
                     | 
                    195,732 | 192,049 | 200,986 | 195,972 | 204,488 | 
                 
            
                
                    
                          | 1. Owner's investment capital |  
  
                     | 
                    
                     | 
                    132,000 | 132,000 | 132,000 | 132,000 | 132,000 | 
                 
            
                
                                            
                          | 2. Share capital surplus |  
                          
                     | 
                                            
                     | 
                    9,639 | 9,639 | 9,639 | 9,639 | 9,639 | 
                 
            
                
                    
                          | 3. Bond conversion option |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 4. Other owner's capital |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 5. Treasury shares |  
  
                     | 
                    
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 6. Differences upon asset revaluation |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 7. Differences upon foreign exchange rate |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 8. Investment and development funds |  
                          
                     | 
                                            
                     | 
                    34,420 | 34,420 | 34,420 | 34,420 | 34,420 | 
                 
            
                
                    
                          | 9. Financial reserve funds |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 10. Other funds belonging to owner's equity |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 11. After tax undistributed profit |  
  
                     | 
                    
                     | 
                    14,774 | 11,023 | 19,916 | 14,850 | 23,391 | 
                 
            
                
                                            
                          | - After tax undistributed profit accumulated to the end of prior period |  
                          
                     | 
                                            
                     | 
                    7,950 | 1,574 | 13,481 | 1,311 | 14,850 | 
                 
            
                
                    
                          | - Profit after tax undistributed this period |  
  
                     | 
                    
                     | 
                    6,825 | 9,449 | 6,435 | 13,539 | 8,541 | 
                 
            
                
                                            
                          | 12. Investment capital resource for basic construction |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 13. Assistance fund for arrangement of enterprises |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 14. interest of shareholders who not control |  
                          
                     | 
                                            
                     | 
                    4,899 | 4,967 | 5,011 | 5,063 | 5,038 | 
                 
            
                
                    
                          | II. Funding resources and other funds |  
  
                     | 
                    
                     | 
                    14 | 14 | 14 | 14 | 14 | 
                 
            
                
                                            
                          | 1. Funding resources |  
                          
                     | 
                                            
                     | 
                    14 | 14 | 14 | 14 | 14 | 
                 
            
                
                    
                          | 2. Funding resources that form fixed assets |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 3. Retrenchment provision fund |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | TOTAL CAPITAL RESOURCES |  
  
                     | 
                    
                     | 
                    466,554 | 529,265 | 519,501 | 471,893 | 514,097 | 
                 
                        
                 
                    
     
    
    
     
        There is no report.
    
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