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                    |  |  | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 353,251 | 335,436 | 291,918 | 312,533 | 261,503 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 10,414 | 60,084 | 29,842 | 4,984 | 31,858 |  
                    | |  | 1. Cash | 
 |  | 10,414 | 14,084 | 8,842 | 4,984 | 31,858 |  
                    | |  | 2. Cash equivalents | 
 |  |  | 46,000 | 21,000 |  |  |  
                    | |  | II. Short-term financial investments | 
 |  | 221,000 | 141,000 | 112,000 | 92,000 | 500 |  
                    | |  | 1. Trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  | 221,000 | 141,000 | 112,000 | 92,000 | 500 |  
                    | |  | III. Short-term receivables | 
 |  | 47,699 | 62,795 | 54,340 | 91,271 | 109,385 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 39,346 | 42,267 | 31,048 | 29,612 | 35,624 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 8,169 | 18,531 | 23,080 | 60,134 | 73,872 |  
                    | |  | 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 | 
 |  | 1,202 | 3,042 | 1,257 | 2,609 | 973 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -1,017 | -1,045 | -1,045 | -1,084 | -1,084 |  
                    | |  | IV. Inventories | 
 |  | 72,675 | 71,119 | 95,099 | 117,443 | 115,274 |  
                    | |  | 1. Inventories | 
 |  | 72,675 | 71,119 | 95,099 | 117,443 | 115,274 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  |  |  |  
                    | |  | V. Other current assets | 
 |  | 1,462 | 437 | 637 | 6,835 | 4,486 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 1,462 | 435 | 635 | 6,502 | 4,467 |  
                    | |  | 2. Deductible VAT | 
 |  |  | 2 | 2 | 333 | 20 |  
                    | |  | 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 | 
 |  | 40,276 | 40,403 | 41,037 | 52,223 | 63,188 |  
                    | |  | 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 | 
 |  | 35,234 | 34,273 | 32,371 | 40,382 | 51,541 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 32,962 | 32,058 | 30,214 | 38,282 | 49,497 |  
                    | |  | - Cost | 
 |  | 222,063 | 223,841 | 221,562 | 232,323 | 246,326 |  
                    | |  | - Accumulated depreciation | 
 |  | -189,101 | -191,782 | -191,348 | -194,041 | -196,829 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  | 2,272 | 2,214 | 2,157 | 2,100 | 2,043 |  
                    | |  | - Cost | 
 |  | 8,058 | 8,058 | 8,058 | 8,058 | 8,058 |  
                    | |  | - Accumulated depreciation | 
 |  | -5,786 | -5,843 | -5,900 | -5,957 | -6,014 |  
                    | |  | III. Real Estate Investments | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term assets in progress | 
 |  |  | 69 | 226 | 2,340 | 2,418 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  |  | 69 | 226 | 2,340 | 2,418 |  
                    | |  | 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 | 
 |  | 5,043 | 6,062 | 8,440 | 9,501 | 9,229 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 5,043 | 6,062 | 8,440 | 9,501 | 9,229 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 393,527 | 375,839 | 332,955 | 364,756 | 324,691 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 67,550 | 86,227 | 78,717 | 106,654 | 88,016 |  
                    | |  | I. Current liabilities | 
 |  | 67,550 | 86,227 | 78,717 | 106,654 | 88,016 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  |  |  |  | 20,000 |  |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 14,106 | 16,250 | 28,199 | 24,452 | 15,369 |  
                    | |  | 4. Advances from customers | 
 |  | 1,456 | 1,457 | 1,479 | 1,479 | 2,070 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 10,293 | 8,229 | 6,583 | 8,551 | 13,634 |  
                    | |  | 6. Payables to employees | 
 |  | 20,215 | 34,954 | 18,497 | 29,476 | 33,502 |  
                    | |  | 7. Short-term accrued expenses | 
 |  |  |  |  | 43 |  |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 14,874 | 16,177 | 17,704 | 15,953 | 17,871 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 6,606 | 9,160 | 6,255 | 6,699 | 5,570 |  
                    | |  | 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 | 
 |  | 325,977 | 289,612 | 254,238 | 258,102 | 236,675 |  
                    | |  | I. ShareHolder's equity | 
 |  | 325,977 | 289,612 | 254,238 | 258,102 | 236,675 |  
                    | |  | 1. Owner's investment capital | 
 |  | 93,326 | 93,326 | 93,326 | 93,326 | 93,326 |  
                    | |  | 2. Share capital surplus | 
 |  | 973 | 973 | 973 | 973 | 973 |  
                    | |  | 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 | 
 |  | 194,975 | 93,250 | 93,250 | 93,250 | 93,250 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | 36,703 | 102,063 | 66,689 | 70,553 | 49,126 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 340 | 50,736 | 49,505 | 36,439 | 341 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 36,363 | 51,327 | 17,184 | 34,113 | 48,785 |  
                    | |  | 12. Investment capital resource for basic construction | 
 |  |  |  |  |  |  |  
                    | |  | 13. Assistance fund for arrangement of enterprises | 
 |  |  |  |  |  |  |  
                    | |  | 14. interest of shareholders who not control | 
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                    | |  | II. Funding resources and other funds | 
 |  |  |  |  |  |  |  
                    | |  | 1. Funding resources | 
 |  |  |  |  |  |  |  
                    | |  | 2. Funding resources that form fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Retrenchment provision fund | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL CAPITAL RESOURCES | 
 |  | 393,527 | 375,839 | 332,955 | 364,756 | 324,691 |      
    There is no report. |  |