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                    |  |  | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 650,346 | 656,350 | 659,460 | 602,052 | 587,554 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 17,437 | 19,043 | 15,232 | 10,866 | 7,499 |  
                    | |  | 1. Cash | 
 |  | 17,437 | 19,043 | 15,232 | 10,866 | 7,499 |  
                    | |  | 2. Cash equivalents | 
 |  |  |  |  |  |  |  
                    | |  | II. Short-term financial investments | 
 |  |  |  |  |  |  |  
                    | |  | 1. Trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  |  |  |  |  |  |  
                    | |  | III. Short-term receivables | 
 |  | 184,449 | 162,682 | 183,518 | 188,998 | 175,259 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 65,073 | 56,898 | 67,178 | 70,265 | 56,953 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 113,936 | 106,886 | 103,566 | 104,383 | 103,850 |  
                    | |  | 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 | 
 |  | 6,796 | 423 | 14,300 | 18,359 | 18,464 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -1,356 | -1,525 | -1,525 | -4,008 | -4,008 |  
                    | |  | IV. Inventories | 
 |  | 444,176 | 470,614 | 455,163 | 399,398 | 401,573 |  
                    | |  | 1. Inventories | 
 |  | 444,176 | 470,614 | 455,163 | 399,398 | 401,573 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  |  |  |  
                    | |  | V. Other current assets | 
 |  | 4,283 | 4,012 | 5,547 | 2,791 | 3,223 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 537 | 633 | 466 | 598 | 510 |  
                    | |  | 2. Deductible VAT | 
 |  | 3,746 | 3,379 | 5,081 | 2,133 | 2,583 |  
                    | |  | 3. Taxes and the State Receivables | 
 |  |  |  |  | 59 | 130 |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 214,105 | 203,960 | 194,156 | 230,797 | 220,647 |  
                    | |  | 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 | 
 |  | 193,965 | 187,634 | 175,658 | 212,160 | 201,408 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 184,288 | 178,072 | 166,207 | 202,819 | 192,176 |  
                    | |  | - Cost | 
 |  | 824,550 | 808,155 | 806,275 | 853,141 | 853,184 |  
                    | |  | - Accumulated depreciation | 
 |  | -640,263 | -630,083 | -640,069 | -650,322 | -661,008 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  | 9,677 | 9,562 | 9,451 | 9,341 | 9,231 |  
                    | |  | - Cost | 
 |  | 17,547 | 17,547 | 17,547 | 17,547 | 17,547 |  
                    | |  | - Accumulated depreciation | 
 |  | -7,870 | -7,984 | -8,095 | -8,205 | -8,315 |  
                    | |  | III. Real Estate Investments | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term assets in progress | 
 |  | 8,667 | 5,593 | 6,447 | 7,061 | 7,966 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  | 8,667 | 5,593 | 6,447 | 7,061 | 7,966 |  
                    | |  | IV. Long-term financial investments | 
 |  |  |  |  |  |  |  
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other investments in equity instruments | 
 |  | 8,400 | 8,400 | 8,400 | 8,400 | 8,400 |  
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  | -8,400 | -8,400 | -8,400 | -8,400 | -8,400 |  
                    | |  | 5. Investments holding until maturity | 
 |  |  |  |  |  |  |  
                    | |  | V. Total other long-term assets | 
 |  | 11,474 | 10,733 | 12,051 | 11,576 | 11,273 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 11,474 | 10,733 | 12,051 | 11,576 | 11,273 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 864,451 | 860,310 | 853,616 | 832,849 | 808,201 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 220,880 | 212,976 | 206,046 | 185,297 | 161,138 |  
                    | |  | I. Current liabilities | 
 |  | 216,792 | 209,300 | 203,110 | 184,421 | 159,026 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 158,903 | 164,323 | 152,057 | 126,306 | 122,910 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 27,000 | 19,881 | 26,917 | 33,910 | 16,176 |  
                    | |  | 4. Advances from customers | 
 |  | 8,128 | 11 | 642 | 222 | 444 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 1,135 | 2,249 | 1,908 | 1,267 | 1,091 |  
                    | |  | 6. Payables to employees | 
 |  | 2,623 | 4,167 | 2,397 | 2,423 | 2,345 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 812 | 733 | 1,032 | 1,213 | 1,021 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 6,142 | 5,887 | 6,112 | 6,349 | 2,310 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 12,049 | 12,049 | 12,045 | 12,731 | 12,731 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 4,088 | 3,676 | 2,936 | 876 | 2,112 |  
                    | |  | 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 | 
 |  | 4,088 | 3,676 | 2,936 | 876 | 2,112 |  
                    | |  | 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 | 
 |  | 643,571 | 647,335 | 647,570 | 647,553 | 647,064 |  
                    | |  | I. ShareHolder's equity | 
 |  | 643,571 | 647,335 | 647,570 | 647,553 | 647,064 |  
                    | |  | 1. Owner's investment capital | 
 |  | 568,814 | 568,814 | 568,814 | 568,814 | 568,814 |  
                    | |  | 2. Share capital surplus | 
 |  |  |  |  |  |  |  
                    | |  | 3. Bond conversion option | 
 |  |  |  |  |  |  |  
                    | |  | 4. Other owner's capital | 
 |  |  |  |  |  |  |  
                    | |  | 5. Treasury shares | 
 |  | -35 | -35 | -35 | -35 | -35 |  
                    | |  | 6. Differences upon asset revaluation | 
 |  |  |  |  |  |  |  
                    | |  | 7. Differences upon foreign exchange rate | 
 |  |  |  |  |  |  |  
                    | |  | 8. Investment and development funds | 
 |  | 18,843 | 18,843 | 18,843 | 19,528 | 19,528 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  | 9,195 | 9,195 | 9,195 | 9,538 | 9,538 |  
                    | |  | 11. After tax undistributed profit | 
 |  | 46,754 | 50,518 | 50,753 | 49,708 | 49,219 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 43,209 | 43,209 | 50,063 | 48,314 | 48,314 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 3,545 | 7,309 | 690 | 1,394 | 905 |  
                    | |  | 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 | 
 |  | 864,451 | 860,310 | 853,616 | 832,849 | 808,201 |      
    There is no report. |  |