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                    |  |  | Q4 2020 | Q4 2021 | Q4 2022 | Q4 2023 | Q4 2024 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 13,087 | 21,428 | 23,701 | 28,617 | 26,184 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 2,877 | 676 | 164 | 81 | 112 |  
                    | |  | 1. Cash | 
 |  | 877 | 676 | 164 | 81 | 112 |  
                    | |  | 2. Cash equivalents | 
 |  | 2,000 |  |  |  |  |  
                    | |  | 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 | 
 |  | 2,984 | 495 | 1,671 | 2,399 | 2,202 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  |  |  | 15 |  |  |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 2,984 | 495 | 1,656 | 2,399 | 1,593 |  
                    | |  | 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 | 
 |  |  |  |  |  | 609 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | IV. Inventories | 
 |  | 7,226 | 19,876 | 21,865 | 26,137 | 23,649 |  
                    | |  | 1. Inventories | 
 |  | 7,226 | 19,876 | 21,865 | 26,137 | 23,649 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  |  |  |  
                    | |  | V. Other current assets | 
 |  |  | 382 |  |  | 221 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  |  |  |  |  | 221 |  
                    | |  | 2. Deductible VAT | 
 |  |  |  |  |  |  |  
                    | |  | 3. Taxes and the State Receivables | 
 |  |  | 382 |  |  |  |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 67,840 | 64,818 | 63,548 | 77,521 | 75,260 |  
                    | |  | 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 | 
 |  | 62,960 | 56,447 | 50,699 | 59,151 | 52,329 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 62,960 | 56,447 | 50,699 | 59,151 | 52,329 |  
                    | |  | - Cost | 
 |  | 140,214 | 142,866 | 144,433 | 161,376 | 164,271 |  
                    | |  | - Accumulated depreciation | 
 |  | -77,255 | -86,419 | -93,734 | -102,225 | -111,941 |  
                    | |  | 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 | 
 |  |  |  | 183 |  |  |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  |  |  | 183 |  |  |  
                    | |  | 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 | 
 |  | 4,880 | 8,371 | 12,665 | 18,370 | 22,931 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 4,880 | 8,371 | 12,665 | 18,370 | 22,931 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 80,927 | 86,246 | 87,248 | 106,137 | 101,444 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 28,434 | 38,943 | 37,332 | 56,397 | 51,444 |  
                    | |  | I. Current liabilities | 
 |  | 26,631 | 32,956 | 31,413 | 51,491 | 41,498 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 1,900 | 15,583 | 1,105 | 21,315 | 12,081 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 1,599 | 1,851 | 6,007 | 5,450 | 2,541 |  
                    | |  | 4. Advances from customers | 
 |  |  | 333 | 3 |  |  |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 2,310 | 2,482 | 8,433 | 8,095 | 12,839 |  
                    | |  | 6. Payables to employees | 
 |  | 2,686 | 957 | 1,894 | 2,192 | 2,032 |  
                    | |  | 7. Short-term accrued expenses | 
 |  |  |  | 268 |  |  |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 14,839 | 9,085 | 11,725 | 12,393 | 11,355 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 3,297 | 2,665 | 1,979 | 2,045 | 650 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 1,802 | 5,987 | 5,919 | 4,906 | 9,947 |  
                    | |  | 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 | 
 |  | 536 | 5,987 | 5,919 | 4,906 | 7,319 |  
                    | |  | 6. Borrowings and long-term financial leased liabilities | 
 |  | 1,266 |  |  |  | 2,628 |  
                    | |  | 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 | 
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                    | |  | B. OWNER'S EQUITY | 
 |  | 52,494 | 47,304 | 49,916 | 49,740 | 50,000 |  
                    | |  | I. ShareHolder's equity | 
 |  | 52,494 | 47,304 | 49,916 | 49,740 | 50,000 |  
                    | |  | 1. Owner's investment capital | 
 |  | 39,860 | 39,860 | 39,860 | 39,860 | 39,860 |  
                    | |  | 2. Share capital surplus | 
 |  | 666 | 666 | 666 | 666 | 666 |  
                    | |  | 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 | 
 |  | 4,390 | 4,390 | 4,390 | 4,390 | 4,390 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | 7,578 | 2,388 | 5,000 | 4,824 | 5,084 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 1,730 | 1,700 |  | 840 | 495 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 5,848 | 688 | 5,000 | 3,984 | 4,588 |  
                    | |  | 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 | 
 |  | 80,927 | 86,246 | 87,248 | 106,137 | 101,444 |      
    There is no report. |  |