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                    |  |  | Q4 2023 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 161,198 | 172,983 | 165,901 | 166,165 | 168,948 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 2,716 | 3,706 | 2,952 | 2,680 | 2,999 |  
                    | |  | 1. Cash | 
 |  | 2,716 | 3,706 | 2,952 | 2,680 | 2,999 |  
                    | |  | 2. Cash equivalents | 
 |  |  |  |  |  |  |  
                    | |  | II. Short-term financial investments | 
 |  |  | 450 | 596 | 312 | 312 |  
                    | |  | 1. Trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  | 596 |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  |  | 450 |  | 312 | 312 |  
                    | |  | III. Short-term receivables | 
 |  | 83,443 | 98,797 | 92,963 | 93,143 | 94,775 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 77,435 | 83,500 | 75,414 | 73,116 | 71,617 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 123 | 151 | 184 | 171 | 641 |  
                    | |  | 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 | 
 |  | 16,773 | 26,035 | 28,253 | 30,745 | 33,405 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -10,889 | -10,889 | -10,889 | -10,889 | -10,889 |  
                    | |  | IV. Inventories | 
 |  | 74,824 | 69,976 | 69,344 | 69,536 | 70,863 |  
                    | |  | 1. Inventories | 
 |  | 74,824 | 69,976 | 69,344 | 69,536 | 70,863 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  |  |  |  
                    | |  | V. Other current assets | 
 |  | 215 | 54 | 48 | 495 |  |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 87 | 54 | 48 | 495 |  |  
                    | |  | 2. Deductible VAT | 
 |  | 128 |  |  |  |  |  
                    | |  | 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 | 
 |  | 9,249 | 8,406 | 7,858 | 7,728 | 7,598 |  
                    | |  | 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 | 
 |  | 3,036 | 2,194 | 2,063 | 1,933 | 1,803 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 3,036 | 2,194 | 2,063 | 1,933 | 1,803 |  
                    | |  | - Cost | 
 |  | 60,866 | 61,132 | 61,132 | 60,853 | 60,853 |  
                    | |  | - Accumulated depreciation | 
 |  | -57,830 | -58,938 | -59,069 | -58,920 | -59,050 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 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 | 
 |  |  |  | 237 | 237 | 237 |  
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other investments in equity instruments | 
 |  |  |  | 237 | 237 |  |  
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  |  |  |  |  |  |  
                    | |  | 5. Investments holding until maturity | 
 |  |  |  |  |  |  |  
                    | |  | V. Total other long-term assets | 
 |  | 6,213 | 6,213 | 5,558 | 5,558 | 5,558 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 6,213 | 6,213 | 5,558 | 5,558 | 5,558 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 170,446 | 181,390 | 173,759 | 173,893 | 176,546 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 162,917 | 175,353 | 168,261 | 168,528 | 171,519 |  
                    | |  | I. Current liabilities | 
 |  | 162,917 | 175,353 | 168,261 | 168,528 | 171,519 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 84,089 | 81,835 | 81,330 | 81,080 | 82,014 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 23,987 | 28,549 | 21,705 | 19,464 | 21,421 |  
                    | |  | 4. Advances from customers | 
 |  | 4,411 | 1,485 | 2,425 | 2,642 | 1,485 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 4,010 | 3,944 | 3,670 | 3,727 | 2,968 |  
                    | |  | 6. Payables to employees | 
 |  | 4,121 | 6,022 | 4,088 | 4,193 | 4,139 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 3,484 | 3,212 | 2,634 | 2,440 | 1,849 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 38,707 | 50,199 | 52,301 | 54,873 | 57,534 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 108 | 108 | 108 | 108 | 108 |  
                    | |  | 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 | 
 |  | 7,529 | 6,036 | 5,499 | 5,365 | 5,027 |  
                    | |  | I. ShareHolder's equity | 
 |  | 7,529 | 6,036 | 5,499 | 5,365 | 5,027 |  
                    | |  | 1. Owner's investment capital | 
 |  | 32,652 | 32,652 | 32,652 | 32,652 | 32,652 |  
                    | |  | 2. Share capital surplus | 
 |  | 3,103 | 3,103 | 3,103 | 3,103 | 3,103 |  
                    | |  | 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 | 
 |  | -28,225 | -29,718 | -30,256 | -30,389 | -30,727 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | -19,371 | -28,225 | -29,718 | -29,718 | -29,718 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | -8,854 | -1,493 | -538 | -671 | -1,009 |  
                    | |  | 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 | 
 |  | 170,446 | 181,390 | 173,759 | 173,893 | 176,546 |      
    There is no report. |  |