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                    |  |  | Q4 2020 | Q4 2021 | Q4 2022 | Q4 2023 | Q4 2024 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 118,675 | 118,763 | 125,776 | 121,817 | 128,467 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 22,702 | 27,998 | 28,420 | 20,438 | 42,185 |  
                    | |  | 1. Cash | 
 |  | 20,702 | 25,998 | 26,420 | 20,438 | 42,185 |  
                    | |  | 2. Cash equivalents | 
 |  | 2,000 | 2,000 | 2,000 |  |  |  
                    | |  | II. Short-term financial investments | 
 |  | 28,376 | 23,482 | 23,583 | 23,001 | 12,500 |  
                    | |  | 1. Trading securities | 
 |  | 5,376 | 5,376 | 5,376 | 2 |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  | -5,000 | -5,000 | -5,000 | -1 |  |  
                    | |  | 3. Investments holding until maturity | 
 |  | 28,000 | 23,106 | 23,207 | 23,000 | 12,500 |  
                    | |  | III. Short-term receivables | 
 |  | 44,469 | 41,393 | 48,189 | 49,755 | 53,874 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 39,249 | 43,287 | 53,665 | 56,168 | 64,959 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 4,392 | 2,140 | 1,956 | 971 | 1,576 |  
                    | |  | 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 | 
 |  | 11,619 | 10,082 | 7,384 | 8,491 | 6,661 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -10,792 | -14,116 | -14,817 | -15,874 | -19,323 |  
                    | |  | IV. Inventories | 
 |  | 22,534 | 25,678 | 24,708 | 28,202 | 19,293 |  
                    | |  | 1. Inventories | 
 |  | 22,534 | 25,678 | 24,708 | 28,202 | 19,293 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  |  |  |  
                    | |  | V. Other current assets | 
 |  | 595 | 212 | 877 | 422 | 615 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 565 | 182 | 627 | 396 | 597 |  
                    | |  | 2. Deductible VAT | 
 |  | 29 | 30 | 17 | 26 | 17 |  
                    | |  | 3. Taxes and the State Receivables | 
 |  |  |  | 232 |  |  |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 22,232 | 25,611 | 29,213 | 23,676 | 38,203 |  
                    | |  | I. Long-term receivables | 
 |  |  | 700 | 700 | 700 | 911 |  
                    | |  | 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 | 
 |  |  | 700 | 700 | 700 | 911 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 5,364 | 5,253 | 8,710 | 6,089 | 3,921 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 4,032 | 4,373 | 6,043 | 4,474 | 3,313 |  
                    | |  | - Cost | 
 |  | 27,541 | 27,749 | 30,341 | 29,272 | 29,683 |  
                    | |  | - Accumulated depreciation | 
 |  | -23,509 | -23,376 | -24,298 | -24,798 | -26,370 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  | 1,332 | 880 | 2,667 | 1,615 | 608 |  
                    | |  | - Cost | 
 |  | 6,577 | 6,779 | 9,450 | 9,450 | 9,450 |  
                    | |  | - Accumulated depreciation | 
 |  | -5,245 | -5,899 | -6,782 | -7,835 | -8,842 |  
                    | |  | III. Real Estate Investments | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term assets in progress | 
 |  | 777 | 14 |  |  |  |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  | 777 | 14 |  |  |  |  
                    | |  | IV. Long-term financial investments | 
 |  | 14,494 | 18,494 | 18,494 | 16,076 | 32,076 |  
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  | 3,494 | 3,494 | 3,494 | 2,701 | 2,701 |  
                    | |  | 3. Other investments in equity instruments | 
 |  |  |  |  | 5,374 | 375 |  
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  |  |  |  | -4,999 |  |  
                    | |  | 5. Investments holding until maturity | 
 |  | 11,000 | 15,000 | 15,000 | 13,000 | 29,000 |  
                    | |  | V. Total other long-term assets | 
 |  | 1,596 | 1,149 | 1,309 | 811 | 1,296 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 1,596 | 1,149 | 1,309 | 811 | 1,057 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  | 239 |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 140,906 | 144,373 | 154,989 | 145,493 | 166,670 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 103,788 | 107,991 | 118,157 | 110,529 | 127,687 |  
                    | |  | I. Current liabilities | 
 |  | 103,476 | 107,738 | 117,904 | 110,275 | 127,433 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 3,599 | 4,278 | 2,881 | 2,373 | 2,616 |  
                    | |  | 4. Advances from customers | 
 |  | 70,425 | 73,354 | 84,022 | 82,594 | 85,362 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 5,630 | 2,702 | 3,159 | 3,240 | 4,826 |  
                    | |  | 6. Payables to employees | 
 |  | 9,392 | 12,156 | 15,082 | 12,135 | 20,831 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 480 | 721 | 680 | 569 | 3,576 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  | 44 |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 11,953 | 9,994 | 6,814 | 3,628 | 4,375 |  
                    | |  | 12. Provision for short term payables | 
 |  | 1,920 | 2,230 | 2,000 | 1,500 | 1,195 |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 32 | 2,301 | 3,265 | 4,237 | 4,652 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 312 | 254 | 254 | 254 | 254 |  
                    | |  | 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 | 
 |  | 312 | 254 | 254 | 254 | 254 |  
                    | |  | 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 | 
 |  | 37,118 | 36,382 | 36,831 | 34,964 | 38,983 |  
                    | |  | I. ShareHolder's equity | 
 |  | 37,118 | 36,382 | 36,831 | 34,964 | 38,983 |  
                    | |  | 1. Owner's investment capital | 
 |  | 28,350 | 28,350 | 28,350 | 28,350 | 28,350 |  
                    | |  | 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 | 
 |  | 1,100 | 1,100 | 1,100 | 1,100 | 1,100 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | 7,668 | 6,932 | 7,382 | 5,514 | 9,534 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  |  |  |  |  |  |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 7,668 | 6,932 | 7,382 | 5,514 | 9,534 |  
                    | |  | 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 | 
 |  | 140,906 | 144,373 | 154,989 | 145,493 | 166,670 |      
    There is no report. |  |