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                    |  |  | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 397,080 | 398,195 | 534,927 | 730,072 | 926,294 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 53,139 | 11,703 | 37,764 | 33,402 | 49,638 |  
                    | |  | 1. Cash | 
 |  | 53,139 | 11,703 | 37,764 | 33,402 | 49,638 |  
                    | |  | 2. Cash equivalents | 
 |  |  |  |  |  |  |  
                    | |  | II. Short-term financial investments | 
 |  | 200,000 | 210,000 | 110,000 | 110,000 | 128,500 |  
                    | |  | 1. Trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  | 200,000 | 210,000 | 110,000 | 110,000 | 128,500 |  
                    | |  | III. Short-term receivables | 
 |  | 41,783 | 62,058 | 242,603 | 329,369 | 384,891 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 14,513 | 62,106 | 55,961 | 299,538 | 40,007 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 20,204 | 1,637 | 59,312 | 30,954 | 11,346 |  
                    | |  | 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 | 
 |  | 12,529 | 3,778 | 132,793 | 6,550 | 341,210 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -5,464 | -5,464 | -5,464 | -7,672 | -7,672 |  
                    | |  | IV. Inventories | 
 |  | 90,956 | 100,686 | 113,887 | 212,873 | 312,190 |  
                    | |  | 1. Inventories | 
 |  | 106,862 | 116,317 | 129,518 | 228,504 | 327,822 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  | -15,907 | -15,631 | -15,631 | -15,631 | -15,631 |  
                    | |  | V. Other current assets | 
 |  | 11,202 | 13,747 | 30,673 | 44,428 | 51,074 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 1,975 | 776 | 4,132 | 6,638 | 5,325 |  
                    | |  | 2. Deductible VAT | 
 |  | 1,122 |  | 14,575 | 28,180 | 42,814 |  
                    | |  | 3. Taxes and the State Receivables | 
 |  | 8,105 | 12,971 | 11,965 | 9,610 | 2,935 |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 31,988 | 38,235 | 46,869 | 47,951 | 46,827 |  
                    | |  | I. Long-term receivables | 
 |  |  | 34 | 33 |  | 2,467 |  
                    | |  | 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 | 
 |  |  | 34 | 33 |  | 2,467 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 24,909 | 27,711 | 35,480 | 36,985 | 34,733 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 24,909 | 27,711 | 35,480 | 36,894 | 34,654 |  
                    | |  | - Cost | 
 |  | 605,344 | 609,699 | 619,478 | 623,069 | 623,078 |  
                    | |  | - Accumulated depreciation | 
 |  | -580,435 | -581,988 | -583,998 | -586,175 | -588,424 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  |  |  |  | 91 | 79 |  
                    | |  | - Cost | 
 |  | 3,131 | 3,131 | 3,131 | 3,226 | 3,226 |  
                    | |  | - Accumulated depreciation | 
 |  | -3,131 | -3,131 | -3,131 | -3,135 | -3,147 |  
                    | |  | III. Real Estate Investments | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term assets in progress | 
 |  |  | 22 |  |  |  |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  |  | 22 |  |  |  |  
                    | |  | 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 | 
 |  | 7,079 | 10,468 | 11,356 | 10,966 | 9,627 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 3,023 | 7,342 | 7,021 | 7,839 | 6,501 |  
                    | |  | 2. Deferred income tax assets | 
 |  | 4,056 | 3,126 | 4,335 | 3,126 | 3,126 |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 429,068 | 436,429 | 581,796 | 778,023 | 973,121 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 41,470 | 55,885 | 195,990 | 375,606 | 544,002 |  
                    | |  | I. Current liabilities | 
 |  | 35,331 | 52,486 | 191,053 | 365,151 | 524,782 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 15,458 |  | 52,769 | 203,461 | 405,988 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 3,994 | 26,860 | 49,023 | 94,214 | 53,501 |  
                    | |  | 4. Advances from customers | 
 |  | 759 |  | 64,278 | 38,955 | 22,419 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 101 | 1,421 | 89 | 52 | 185 |  
                    | |  | 6. Payables to employees | 
 |  | 7,189 | 7,032 | 9,964 | 11,729 | 18,784 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 2,407 | 8,092 | 4,891 | 4,787 | 14,377 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  | 266 | 311 | 44 | 316 | 44 |  
                    | |  | 11. Other short-term payables | 
 |  | 1,439 | 2,528 | 2,708 | 2,613 | 2,458 |  
                    | |  | 12. Provision for short term payables | 
 |  | 2,446 | 5,158 | 7,126 | 6,192 | 6,143 |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 1,271 | 1,084 | 159 | 2,833 | 883 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 6,139 | 3,399 | 4,936 | 10,455 | 19,220 |  
                    | |  | 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 | 
 |  | 6,139 | 3,399 | 4,936 | 10,455 | 19,220 |  
                    | |  | 11. Long-term unrealized revenue | 
 |  |  |  |  |  |  |  
                    | |  | 12. Development fund of science and technology | 
 |  |  |  |  |  |  |  
                    | |  | B. OWNER'S EQUITY | 
 |  | 387,597 | 380,545 | 385,806 | 402,418 | 429,119 |  
                    | |  | I. ShareHolder's equity | 
 |  | 387,597 | 380,545 | 385,806 | 402,418 | 429,119 |  
                    | |  | 1. Owner's investment capital | 
 |  | 216,000 | 216,000 | 216,000 | 216,000 | 216,000 |  
                    | |  | 2. Share capital surplus | 
 |  | 9,850 | 9,850 | 9,850 | 9,850 | 9,850 |  
                    | |  | 3. Bond conversion option | 
 |  |  |  |  |  |  |  
                    | |  | 4. Other owner's capital | 
 |  |  | 2,228 | 7,894 |  |  |  
                    | |  | 5. Treasury shares | 
 |  |  |  |  |  |  |  
                    | |  | 6. Differences upon asset revaluation | 
 |  |  |  |  |  |  |  
                    | |  | 7. Differences upon foreign exchange rate | 
 |  |  |  |  |  |  |  
                    | |  | 8. Investment and development funds | 
 |  | 16,882 | 14,654 | 8,988 | 27,022 | 27,022 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | 144,866 | 137,813 | 143,074 | 149,546 | 176,247 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 124,525 | 124,525 | 139,052 | 124,522 | 124,523 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 20,340 | 13,287 | 4,022 | 25,024 | 51,724 |  
                    | |  | 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 | 
 |  | 429,068 | 436,429 | 581,796 | 778,023 | 973,121 |      
    There is no report. |  |