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                    |  |  | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 104,343 | 115,729 | 110,134 | 112,214 | 115,504 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 1,640 | 12,776 | 18,785 | 8,724 | 5,405 |  
                    | |  | 1. Cash | 
 |  | 1,640 | 7,776 | 2,785 | 8,724 | 5,405 |  
                    | |  | 2. Cash equivalents | 
 |  |  | 5,000 | 16,000 |  |  |  
                    | |  | II. Short-term financial investments | 
 |  | 10,137 | 8,137 | 15,103 | 26,683 | 26,349 |  
                    | |  | 1. Trading securities | 
 |  | 8,410 | 8,410 | 15,171 | 26,751 | 26,689 |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  | -274 | -274 | -67 | -67 | -340 |  
                    | |  | 3. Investments holding until maturity | 
 |  | 2,000 |  |  |  |  |  
                    | |  | III. Short-term receivables | 
 |  | 70,474 | 80,332 | 61,086 | 53,130 | 61,125 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 34,293 | 40,060 | 17,595 | 17,485 | 30,961 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 217 | 217 | 217 | 231 | 326 |  
                    | |  | 3. Short-term intercompany receivables | 
 |  |  |  |  |  |  |  
                    | |  | 4. Receivables according to the progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 5. Receivables on short-term loans | 
 |  | 33,420 | 33,420 | 31,470 | 30,120 | 24,670 |  
                    | |  | 6. Other short-term receivables | 
 |  | 10,749 | 14,841 | 19,853 | 13,343 | 12,946 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -8,205 | -8,205 | -8,049 | -8,049 | -7,779 |  
                    | |  | IV. Inventories | 
 |  | 20,600 | 13,216 | 14,055 | 22,612 | 21,826 |  
                    | |  | 1. Inventories | 
 |  | 23,143 | 15,759 | 16,021 | 24,578 | 24,445 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  | -2,543 | -2,543 | -1,966 | -1,966 | -2,619 |  
                    | |  | V. Other current assets | 
 |  | 1,492 | 1,268 | 1,106 | 1,065 | 799 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 133 | 99 | 127 | 266 | 247 |  
                    | |  | 2. Deductible VAT | 
 |  | 1,357 | 1,168 | 978 | 799 | 551 |  
                    | |  | 3. Taxes and the State Receivables | 
 |  | 1 | 1 | 1 |  |  |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 80,542 | 74,885 | 70,784 | 75,955 | 76,583 |  
                    | |  | I. Long-term receivables | 
 |  | 63 | 63 | 63 | 63 | 63 |  
                    | |  | 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 | 
 |  | 63 | 63 | 63 | 63 | 63 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 36,519 | 36,172 | 35,583 | 34,752 | 34,176 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 36,519 | 36,172 | 35,583 | 34,752 | 34,176 |  
                    | |  | - Cost | 
 |  | 50,232 | 50,232 | 50,232 | 49,987 | 49,825 |  
                    | |  | - Accumulated depreciation | 
 |  | -13,713 | -14,060 | -14,650 | -15,235 | -15,649 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  | 63 | 63 | 63 | 63 | 63 |  
                    | |  | - Accumulated depreciation | 
 |  | -63 | -63 | -63 | -63 | -63 |  
                    | |  | III. Real Estate Investments | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term assets in progress | 
 |  |  |  |  |  |  |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term financial investments | 
 |  | 34,810 | 30,940 | 25,130 | 33,615 | 33,507 |  
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  | 32,060 | 28,190 | 22,380 | 30,865 | 30,757 |  
                    | |  | 3. Other investments in equity instruments | 
 |  | 2,750 | 2,750 | 2,750 | 2,750 | 2,750 |  
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  |  |  |  |  |  |  
                    | |  | 5. Investments holding until maturity | 
 |  |  |  |  |  |  |  
                    | |  | V. Total other long-term assets | 
 |  | 9,150 | 7,710 | 10,008 | 7,525 | 8,837 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 9,150 | 7,710 | 10,008 | 7,525 | 8,837 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 184,885 | 190,614 | 180,918 | 188,169 | 192,088 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 32,259 | 37,259 | 24,587 | 33,594 | 44,466 |  
                    | |  | I. Current liabilities | 
 |  | 26,593 | 31,593 | 21,302 | 29,092 | 41,128 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 3,358 | 1,846 | 1,759 | 1,746 | 4,873 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 6,817 | 6,516 | 7,119 | 10,761 | 14,660 |  
                    | |  | 4. Advances from customers | 
 |  | 1,643 | 1,229 | 1,229 | 3,057 | 1,629 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 445 | 1,290 | 337 | 834 | 1,000 |  
                    | |  | 6. Payables to employees | 
 |  | 3,902 | 7,167 | 3,006 | 6 | 5,072 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 5,529 | 4,497 | 938 | 3,077 | 5,267 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 4,529 | 8,686 | 6,646 | 9,354 | 8,361 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 369 | 361 | 269 | 258 | 265 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 5,666 | 5,666 | 3,285 | 4,502 | 3,338 |  
                    | |  | 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 | 
 |  | 46 | 46 | 46 | 46 | 46 |  
                    | |  | 6. Borrowings and long-term financial leased liabilities | 
 |  | 5,620 | 5,620 | 3,239 | 4,456 | 3,292 |  
                    | |  | 7. Convertible bonds | 
 |  |  |  |  |  |  |  
                    | |  | 8. Deferred income tax payables | 
 |  | 1 |  |  |  |  |  
                    | |  | 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 | 
 |  | 152,626 | 153,355 | 156,330 | 154,575 | 147,622 |  
                    | |  | I. ShareHolder's equity | 
 |  | 152,626 | 153,355 | 156,330 | 154,575 | 147,622 |  
                    | |  | 1. Owner's investment capital | 
 |  | 102,195 | 102,195 | 102,195 | 102,195 | 102,195 |  
                    | |  | 2. Share capital surplus | 
 |  | 669 | 669 | 669 | 669 | 669 |  
                    | |  | 3. Bond conversion option | 
 |  |  |  |  |  |  |  
                    | |  | 4. Other owner's capital | 
 |  |  |  |  |  |  |  
                    | |  | 5. Treasury shares | 
 |  | -2,117 | -2,117 | -2,117 | -2,117 | -2,117 |  
                    | |  | 6. Differences upon asset revaluation | 
 |  |  |  |  |  |  |  
                    | |  | 7. Differences upon foreign exchange rate | 
 |  |  |  |  |  |  |  
                    | |  | 8. Investment and development funds | 
 |  | 14,199 | 14,199 | 14,199 | 14,199 | 14,199 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | 17,758 | 22,693 | 25,668 | 23,913 | 19,479 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 13,326 | 13,068 | 8,583 | 13,936 | 15,969 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 4,432 | 9,625 | 17,086 | 9,977 | 3,509 |  
                    | |  | 12. Investment capital resource for basic construction | 
 |  |  |  |  |  |  |  
                    | |  | 13. Assistance fund for arrangement of enterprises | 
 |  |  |  |  |  |  |  
                    | |  | 14. interest of shareholders who not control | 
 |  | 19,921 | 15,715 | 15,715 | 15,715 | 13,196 |  
                    | |  | II. Funding resources and other funds | 
 |  |  |  |  |  |  |  
                    | |  | 1. Funding resources | 
 |  |  |  |  |  |  |  
                    | |  | 2. Funding resources that form fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Retrenchment provision fund | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL CAPITAL RESOURCES | 
 |  | 184,885 | 190,614 | 180,918 | 188,169 | 192,088 |      
    There is no report. |  |