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                    |  |  | Q4 2021 | Q1 2022 | Q4 2022 | Q4 2023 | Q4 2024 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 61,411 | 59,912 | 62,031 | 49,551 | 47,708 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 3,872 | 1,930 | 7,691 | 4,947 | 5,975 |  
                    | |  | 1. Cash | 
 |  | 3,872 | 1,930 | 5,691 | 2,147 | 2,475 |  
                    | |  | 2. Cash equivalents | 
 |  |  |  | 2,000 | 2,800 | 3,500 |  
                    | |  | II. Short-term financial investments | 
 |  |  |  |  | 2,600 | 3,800 |  
                    | |  | 1. Trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  |  |  |  | 2,600 | 3,800 |  
                    | |  | III. Short-term receivables | 
 |  | 32,127 | 29,424 | 30,882 | 25,034 | 23,267 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 18,804 | 18,788 | 21,048 | 20,780 | 29,911 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 3,201 | 1,435 | 587 | 148 | 9 |  
                    | |  | 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 | 
 |  | 10,122 | 9,202 | 9,302 | 4,388 | 2,784 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  |  |  | -55 | -283 | -9,436 |  
                    | |  | IV. Inventories | 
 |  | 25,026 | 28,157 | 22,661 | 16,085 | 14,523 |  
                    | |  | 1. Inventories | 
 |  | 25,026 | 28,157 | 22,661 | 18,161 | 17,120 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  | -2,077 | -2,598 |  
                    | |  | V. Other current assets | 
 |  | 387 | 402 | 796 | 885 | 144 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 113 |  | 67 | 23 |  |  
                    | |  | 2. Deductible VAT | 
 |  | 264 | 402 | 37 | 33 | 95 |  
                    | |  | 3. Taxes and the State Receivables | 
 |  | 10 |  | 693 | 830 | 48 |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 19,038 | 19,584 | 14,032 | 13,199 | 12,526 |  
                    | |  | 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 | 
 |  | 18,752 | 18,378 | 13,902 | 13,189 | 12,526 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 18,681 | 18,308 | 13,832 | 13,119 | 12,455 |  
                    | |  | - Cost | 
 |  | 89,091 | 88,100 | 88,788 | 90,351 | 86,268 |  
                    | |  | - Accumulated depreciation | 
 |  | -70,410 | -69,792 | -74,956 | -77,232 | -73,813 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  | 70 | 70 | 70 | 70 | 70 |  
                    | |  | - Cost | 
 |  | 186 | 186 | 186 | 186 | 186 |  
                    | |  | - Accumulated depreciation | 
 |  | -116 | -116 | -116 | -116 | -116 |  
                    | |  | 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 | 
 |  |  |  |  |  |  |  
                    | |  | 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 | 
 |  | 286 | 1,206 | 130 | 9 |  |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 286 | 1,206 | 130 | 9 |  |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 80,449 | 79,496 | 76,063 | 62,750 | 60,234 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 17,685 | 16,568 | 16,750 | 13,426 | 19,903 |  
                    | |  | I. Current liabilities | 
 |  | 16,793 | 15,709 | 15,840 | 12,690 | 19,000 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 1,725 | 2,345 | 875 |  |  |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 11,043 | 9,348 | 10,867 | 10,290 | 13,637 |  
                    | |  | 4. Advances from customers | 
 |  | 1,536 | 1,930 | 824 | 227 | 1,301 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 255 | 49 | 314 | 314 | 496 |  
                    | |  | 6. Payables to employees | 
 |  | 703 | 377 | 1,204 | 668 | 1,538 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 100 | 109 | 76 |  | 152 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 1,245 | 1,365 | 1,493 | 1,004 | 1,690 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 186 | 186 | 186 | 186 | 186 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 892 | 859 | 910 | 736 | 903 |  
                    | |  | 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 | 
 |  | 892 | 859 | 910 | 736 | 903 |  
                    | |  | 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 | 
 |  | 62,764 | 62,928 | 59,313 | 49,324 | 40,331 |  
                    | |  | I. ShareHolder's equity | 
 |  | 62,764 | 62,928 | 59,313 | 49,324 | 40,331 |  
                    | |  | 1. Owner's investment capital | 
 |  | 40,000 | 40,000 | 40,000 | 40,000 | 40,000 |  
                    | |  | 2. Share capital surplus | 
 |  | 15,000 | 15,000 | 15,000 | 15,000 | 9,029 |  
                    | |  | 3. Bond conversion option | 
 |  |  |  |  |  |  |  
                    | |  | 4. Other owner's capital | 
 |  | 7,393 | 7,393 | 7,393 | 4,017 |  |  
                    | |  | 5. Treasury shares | 
 |  | -1,100 | -1,100 | -1,100 | -1,100 | -1,100 |  
                    | |  | 6. Differences upon asset revaluation | 
 |  |  |  |  |  |  |  
                    | |  | 7. Differences upon foreign exchange rate | 
 |  |  |  |  |  |  |  
                    | |  | 8. Investment and development funds | 
 |  | 1,396 | 1,396 | 1,396 | 1,396 | 1,396 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | 75 | 239 | -3,376 | -9,988 | -8,993 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  |  | 75 | -2,544 |  |  |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 75 | 164 | -832 | -9,988 | -8,993 |  
                    | |  | 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 | 
 |  | 80,449 | 79,496 | 76,063 | 62,750 | 60,234 |      
    There is no report. |  |