| 
                         
                     | 
                    
                         
                     |                     
                    Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | 
                 
            
                
                                            
                          | ASSETS |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS |  
  
                     | 
                    
                     | 
                    98,244 | 90,803 | 85,513 | 77,325 | 91,510 | 
                 
            
                
                                            
                          | I. Cash and cash equivalents |  
                          
                     | 
                                            
                     | 
                    36,783 | 8,953 | 5,804 | 13,001 | 2,070 | 
                 
            
                
                    
                          | 1. Cash |  
  
                     | 
                    
                     | 
                    783 | 6,953 | 5,104 | 5,201 | 1,070 | 
                 
            
                
                                            
                          | 2. Cash equivalents |  
                          
                     | 
                                            
                     | 
                    36,000 | 2,000 | 700 | 7,800 | 1,000 | 
                 
            
                
                    
                          | II. Short-term financial investments |  
  
                     | 
                    
                     | 
                      | 40,000 | 53,500 | 15,500 | 29,300 | 
                 
            
                
                                            
                          | 1. Trading securities |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 2. Provision for diminution in value of trading securities |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 3. Investments holding until maturity |  
                          
                     | 
                                            
                     | 
                      | 40,000 | 53,500 | 15,500 | 29,300 | 
                 
            
                
                    
                          | III. Short-term receivables |  
  
                     | 
                    
                     | 
                    53,565 | 34,062 | 18,451 | 41,055 | 52,190 | 
                 
            
                
                                            
                          | 1.  Short-term receivables of customers |  
                          
                     | 
                                            
                     | 
                    53,193 | 33,525 | 17,165 | 40,631 | 51,777 | 
                 
            
                
                    
                          | 2. Prepayments to suppliers |  
  
                     | 
                    
                     | 
                    309 | 533 | 561 | 94 | 291 | 
                 
            
                
                                            
                          | 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 |  
  
                     | 
                    
                     | 
                    64 | 5 | 725 | 330 | 123 | 
                 
            
                
                                            
                          | 7. Provision for doubtful short-term receivables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | IV. Inventories |  
  
                     | 
                    
                     | 
                    7,895 | 7,739 | 7,505 | 7,710 | 7,826 | 
                 
            
                
                                            
                          | 1. Inventories |  
                          
                     | 
                                            
                     | 
                    7,895 | 7,739 | 7,505 | 7,710 | 7,826 | 
                 
            
                
                    
                          | 2. Provision for decline in value of inventories |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | V. Other current assets |  
                          
                     | 
                                            
                     | 
                      | 49 | 253 | 60 | 123 | 
                 
            
                
                    
                          | 1. Short-term prepaid expenses |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 2. Deductible VAT |  
                          
                     | 
                                            
                     | 
                      | 49 | 49 | 60 | 60 | 
                 
            
                
                    
                          | 3. Taxes and the State Receivables |  
  
                     | 
                    
                     | 
                      |   | 204 |   | 63 | 
                 
            
                
                                            
                          | 4. Repurchasing and reselling transactions in government bonds |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 5. Other current assets |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | B. FIXED ASSETS AND LONG-TERM INVESTMENTS |  
                          
                     | 
                                            
                     | 
                    551,260 | 542,470 | 533,142 | 524,167 | 515,133 | 
                 
            
                
                    
                          | 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 |  
                          
                     | 
                                            
                     | 
                    383,229 | 375,222 | 367,284 | 359,623 | 351,756 | 
                 
            
                
                    
                          | 1. Tangible fixed assets |  
  
                     | 
                    
                     | 
                    380,983 | 373,015 | 365,116 | 357,494 | 349,594 | 
                 
            
                
                                            
                          | - Cost |  
                          
                     | 
                                            
                     | 
                    1,085,808 | 1,085,195 | 1,085,265 | 1,085,619 | 1,085,709 | 
                 
            
                
                    
                          | - Accumulated depreciation |  
  
                     | 
                    
                     | 
                    -704,825 | -712,180 | -720,149 | -728,125 | -736,114 | 
                 
            
                
                                            
                          | 2. Fixed assets of financial leasing |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | - Cost |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | - Accumulated depreciation |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Intangible fixed assets |  
  
                     | 
                    
                     | 
                    2,246 | 2,207 | 2,168 | 2,129 | 2,162 | 
                 
            
                
                                            
                          | - Cost |  
                          
                     | 
                                            
                     | 
                    4,941 | 4,941 | 4,941 | 4,941 | 5,016 | 
                 
            
                
                    
                          | - Accumulated depreciation |  
  
                     | 
                    
                     | 
                    -2,695 | -2,734 | -2,773 | -2,813 | -2,854 | 
                 
            
                
                                            
                          | III. Real Estate Investments |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | - Cost |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | - Accumulated depreciation |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | IV. Long-term assets in progress |  
  
                     | 
                    
                     | 
                    1,516 | 1,467 | 1,467 | 1,602 | 1,602 | 
                 
            
                
                                            
                          | 1. Costs of  long-term production, business in progress |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 2. Costs of construction in progress |  
  
                     | 
                    
                     | 
                    1,516 | 1,467 | 1,467 | 1,602 | 1,602 | 
                 
            
                
                                            
                          | IV. Long-term financial investments |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 1. Investment in subsidiaries |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 2. Investments in associated companies, joint ventures |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Other investments in equity instruments |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 4. Provision for diminution in value of financial long-term investments |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 5. Investments holding until maturity |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | V. Total other long-term assets |  
                          
                     | 
                                            
                     | 
                    166,515 | 165,781 | 164,390 | 162,943 | 161,774 | 
                 
            
                
                    
                          | 1. Long-term prepaid expenses |  
  
                     | 
                    
                     | 
                    166,515 | 165,224 | 163,933 | 162,643 | 161,352 | 
                 
            
                
                                            
                          | 2. Deferred income tax assets |  
                          
                     | 
                                            
                     | 
                      | 557 | 457 | 300 | 423 | 
                 
            
                
                    
                          | 3. Other long-term assets |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | VI. Goodwills |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | TOTAL ASSETS |  
  
                     | 
                    
                     | 
                    649,504 | 633,273 | 618,655 | 601,492 | 606,642 | 
                 
            
                
                                            
                          | CAPITAL RESOURCES |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | A. LIABILITIES |  
  
                     | 
                    
                     | 
                    77,236 | 37,776 | 19,479 | 31,677 | 45,923 | 
                 
            
                
                                            
                          | I. Current liabilities |  
                          
                     | 
                                            
                     | 
                    77,236 | 37,776 | 19,479 | 31,677 | 45,923 | 
                 
            
                
                    
                          | 1. Borrowings and short-term financial leased liabilities |  
  
                     | 
                    
                     | 
                    9,351 | 16,378 | 9,134 | 12,336 | 20,000 | 
                 
            
                
                                            
                          | 2. Long-term borrowings are due to pay |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Short-term payables to sellers |  
  
                     | 
                    
                     | 
                    152 | 157 | 317 | 292 | 83 | 
                 
            
                
                                            
                          | 4. Advances from customers |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 5. Taxes and other payables to the State Budget |  
  
                     | 
                    
                     | 
                    15,487 | 11,163 | 2,980 | 9,871 | 14,113 | 
                 
            
                
                                            
                          | 6. Payables to employees |  
                          
                     | 
                                            
                     | 
                    634 | 1,201 | 929 | 1,134 | 1,370 | 
                 
            
                
                    
                          | 7. Short-term accrued expenses |  
  
                     | 
                    
                     | 
                      | 759 | 554 | 506 | 578 | 
                 
            
                
                                            
                          | 8. Short-term intercompany payables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 9. Payables to the scheduled progress of construction contracts |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 10. Short-term unrealized Revenue |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 11. Other short-term payables |  
  
                     | 
                    
                     | 
                    50,954 | 5,474 | 3,612 | 4,730 | 6,928 | 
                 
            
                
                                            
                          | 12. Provision for short term payables |  
                          
                     | 
                                            
                     | 
                      | 2,187 | 1,894 | 1,100 | 1,650 | 
                 
            
                
                    
                          | 13. Bonus and welfare fund |  
  
                     | 
                    
                     | 
                    658 | 458 | 59 | 1,707 | 1,201 | 
                 
            
                
                                            
                          | 14. Price stabilization fund |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 15. Repurchasing and reselling transactions in government bonds |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | II. Long-term liabilities |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 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 |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 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 |  
  
                     | 
                    
                     | 
                    572,268 | 595,497 | 599,176 | 569,816 | 560,720 | 
                 
            
                
                                            
                          | I. ShareHolder's equity |  
                          
                     | 
                                            
                     | 
                    572,268 | 595,497 | 599,176 | 569,816 | 560,720 | 
                 
            
                
                    
                          | 1. Owner's investment capital |  
  
                     | 
                    
                     | 
                    450,000 | 450,000 | 450,000 | 450,000 | 450,000 | 
                 
            
                
                                            
                          | 2. Share capital surplus |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 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 |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 9. Financial reserve funds |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 10. Other funds belonging to owner's equity |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 11. After tax undistributed profit |  
  
                     | 
                    
                     | 
                    122,268 | 145,497 | 149,176 | 119,816 | 110,720 | 
                 
            
                
                                            
                          | - After tax undistributed profit accumulated to the end of prior period |  
                          
                     | 
                                            
                     | 
                    69,304 | 69,304 | 145,497 | 98,377 | 53,377 | 
                 
            
                
                    
                          | - Profit after tax undistributed this period |  
  
                     | 
                    
                     | 
                    52,964 | 76,193 | 3,679 | 21,438 | 57,342 | 
                 
            
                
                                            
                          | 12. Investment capital resource for basic construction |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 13. Assistance fund for arrangement of enterprises |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 14. interest of shareholders who not control |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | II. Funding resources and other funds |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 1. Funding resources |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 2. Funding resources that form fixed assets |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 3. Retrenchment provision fund |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | TOTAL CAPITAL RESOURCES |  
  
                     | 
                    
                     | 
                    649,504 | 633,273 | 618,655 | 601,492 | 606,642 | 
                 
                        
                 
                    
     
    
    
     
        There is no report.
    
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