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                    |  |  | Q4 2020 | Q4 2021 | Q4 2022 | Q4 2023 | Q4 2024 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 111,264 | 112,153 | 129,316 | 151,008 | 146,931 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 5,967 | 7,159 | 11,951 | 13,500 | 12,044 |  
                    | |  | 1. Cash | 
 |  | 5,967 | 7,159 | 11,951 | 12,000 | 4,744 |  
                    | |  | 2. Cash equivalents | 
 |  |  |  |  | 1,500 | 7,300 |  
                    | |  | II. Short-term financial investments | 
 |  | 1,000 | 1,000 | 15,000 | 34,300 |  |  
                    | |  | 1. Trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  | 1,000 | 1,000 | 15,000 | 34,300 |  |  
                    | |  | III. Short-term receivables | 
 |  | 84,197 | 80,843 | 67,624 | 65,014 | 112,799 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 63,448 | 63,308 | 66,891 | 61,627 | 99,188 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 1,756 | 1,080 | 832 | 1,147 | 803 |  
                    | |  | 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 | 
 |  | 20,822 | 19,557 | 3,930 | 8,678 | 19,775 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -1,829 | -3,102 | -4,029 | -6,438 | -6,966 |  
                    | |  | IV. Inventories | 
 |  | 20,038 | 23,002 | 34,094 | 37,478 | 21,135 |  
                    | |  | 1. Inventories | 
 |  | 21,763 | 25,890 | 37,466 | 41,815 | 26,309 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  | -1,725 | -2,888 | -3,372 | -4,337 | -5,173 |  
                    | |  | V. Other current assets | 
 |  | 63 | 149 | 646 | 715 | 953 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 63 | 52 | 43 | 39 | 30 |  
                    | |  | 2. Deductible VAT | 
 |  |  |  | 100 | 475 |  |  
                    | |  | 3. Taxes and the State Receivables | 
 |  |  | 97 | 503 | 202 | 922 |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 36,446 | 37,070 | 45,111 | 34,718 | 32,759 |  
                    | |  | I. Long-term receivables | 
 |  |  |  | 859 | 859 | 859 |  
                    | |  | 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 | 
 |  |  |  | 859 | 859 | 859 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 22,781 | 23,749 | 23,043 | 20,466 | 18,686 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 22,781 | 23,749 | 23,043 | 20,466 | 18,686 |  
                    | |  | - Cost | 
 |  | 51,853 | 54,750 | 56,739 | 56,882 | 57,845 |  
                    | |  | - Accumulated depreciation | 
 |  | -29,072 | -31,001 | -33,696 | -36,416 | -39,160 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  | 65 | 65 | 65 | 65 | 65 |  
                    | |  | - Accumulated depreciation | 
 |  | -65 | -65 | -65 | -65 | -65 |  
                    | |  | III. Real Estate Investments | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term assets in progress | 
 |  | 1,566 | 589 | 823 | 630 | 582 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  | 1,566 | 589 | 823 | 630 | 582 |  
                    | |  | IV. Long-term financial investments | 
 |  | 7,956 | 7,956 | 15,740 | 7,956 | 7,956 |  
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  | 7,956 | 7,956 | 15,740 | 7,956 | 7,956 |  
                    | |  | 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 | 
 |  | 4,143 | 4,776 | 4,647 | 4,807 | 4,677 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 3,473 | 3,574 | 3,106 | 2,463 | 1,991 |  
                    | |  | 2. Deferred income tax assets | 
 |  | 670 | 1,201 | 1,542 | 2,344 | 2,686 |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 147,710 | 149,223 | 174,427 | 185,725 | 179,691 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 56,299 | 51,918 | 71,585 | 61,728 | 57,615 |  
                    | |  | I. Current liabilities | 
 |  | 56,088 | 51,743 | 71,236 | 61,360 | 57,487 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 22,000 | 20,000 | 11,879 | 4,846 | 565 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 8,904 | 10,052 | 37,621 | 17,583 | 19,333 |  
                    | |  | 4. Advances from customers | 
 |  | 2,054 | 3,624 | 4,729 | 10,838 | 3,832 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 2,490 | 1,431 | 1,269 | 4,327 | 3,935 |  
                    | |  | 6. Payables to employees | 
 |  | 1,650 | 586 | 386 | 881 | 1,514 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 7,766 | 4,422 | 2,539 | 5,750 | 4,427 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 7,649 | 7,660 | 7,810 | 7,999 | 10,020 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  | 2,174 |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 3,575 | 3,966 | 5,005 | 9,135 | 11,687 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 211 | 175 | 349 | 368 | 129 |  
                    | |  | 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 | 
 |  | 90 | 90 |  |  |  |  
                    | |  | 6. Borrowings and long-term financial leased liabilities | 
 |  |  |  |  |  |  |  
                    | |  | 7. Convertible bonds | 
 |  |  |  |  |  |  |  
                    | |  | 8. Deferred income tax payables | 
 |  | 121 | 85 | 349 | 368 | 129 |  
                    | |  | 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 | 
 |  | 91,411 | 97,305 | 102,842 | 123,997 | 122,075 |  
                    | |  | I. ShareHolder's equity | 
 |  | 91,339 | 97,232 | 102,769 | 123,925 | 122,003 |  
                    | |  | 1. Owner's investment capital | 
 |  | 32,864 | 32,864 | 32,864 | 32,864 | 32,864 |  
                    | |  | 2. Share capital surplus | 
 |  |  |  |  |  |  |  
                    | |  | 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 | 
 |  | 18,848 | 21,391 | 18,848 | 18,848 | 18,848 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  | 3,418 | 3,418 | 3,418 | 3,418 | 3,418 |  
                    | |  | 11. After tax undistributed profit | 
 |  | 36,208 | 39,559 | 47,639 | 68,794 | 66,873 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 23,235 | 27,992 | 30,600 | 36,136 | 48,146 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 12,973 | 11,567 | 17,039 | 32,658 | 18,727 |  
                    | |  | 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 | 
 |  | 73 | 73 | 73 | 73 | 73 |  
                    | |  | 1. Funding resources | 
 |  | 73 | 73 | 73 | 73 | 73 |  
                    | |  | 2. Funding resources that form fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Retrenchment provision fund | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL CAPITAL RESOURCES | 
 |  | 147,710 | 149,223 | 174,427 | 185,725 | 179,691 |      
    There is no report. |  |