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                    |  |  | Q4 2020 | Q4 2021 | Q4 2022 | Q4 2023 | Q4 2024 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 142,188 | 160,375 | 197,850 | 241,273 | 272,711 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 66,224 | 117,848 | 110,520 | 53,378 | 106,035 |  
                    | |  | 1. Cash | 
 |  | 9,524 | 848 | 1,020 | 1,378 | 535 |  
                    | |  | 2. Cash equivalents | 
 |  | 56,700 | 117,000 | 109,500 | 52,000 | 105,500 |  
                    | |  | II. Short-term financial investments | 
 |  | 4,000 |  | 20,000 | 118,000 | 97,500 |  
                    | |  | 1. Trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  | 4,000 |  | 20,000 | 118,000 | 97,500 |  
                    | |  | III. Short-term receivables | 
 |  | 60,803 | 31,033 | 58,292 | 61,269 | 60,211 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 60,473 | 28,048 | 54,829 | 54,962 | 55,192 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 115 | 2,847 | 3,008 | 3,018 | 3,235 |  
                    | |  | 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 | 
 |  | 215 | 138 | 455 | 3,288 | 1,784 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | IV. Inventories | 
 |  | 10,520 | 10,938 | 8,629 | 8,065 | 8,567 |  
                    | |  | 1. Inventories | 
 |  | 10,525 | 10,958 | 8,629 | 8,095 | 8,599 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  | -5 | -20 |  | -29 | -32 |  
                    | |  | V. Other current assets | 
 |  | 641 | 556 | 408 | 561 | 398 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 641 | 556 | 408 | 561 | 373 |  
                    | |  | 2. Deductible VAT | 
 |  |  |  |  |  | 25 |  
                    | |  | 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 | 
 |  | 43,713 | 42,204 | 45,300 | 36,958 | 32,292 |  
                    | |  | I. Long-term receivables | 
 |  | 1,113 | 963 | 963 | 813 | 813 |  
                    | |  | 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 | 
 |  | 1,113 | 963 | 963 | 813 | 813 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 19,675 | 23,266 | 30,396 | 24,955 | 20,044 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 17,921 | 22,564 | 24,045 | 19,838 | 15,517 |  
                    | |  | - Cost | 
 |  | 67,416 | 77,305 | 74,664 | 71,638 | 70,697 |  
                    | |  | - Accumulated depreciation | 
 |  | -49,495 | -54,740 | -50,620 | -51,800 | -55,180 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  | 1,754 | 701 | 6,351 | 5,117 | 4,527 |  
                    | |  | - Cost | 
 |  | 12,116 | 12,116 | 18,686 | 18,054 | 18,054 |  
                    | |  | - Accumulated depreciation | 
 |  | -10,363 | -11,415 | -12,335 | -12,937 | -13,527 |  
                    | |  | III. Real Estate Investments | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term assets in progress | 
 |  | 628 |  |  |  | 3,504 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  | 628 |  |  |  | 3,504 |  
                    | |  | 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 | 
 |  | 22,297 | 17,975 | 13,942 | 11,190 | 7,932 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 21,247 | 17,051 | 13,211 | 10,382 | 7,185 |  
                    | |  | 2. Deferred income tax assets | 
 |  | 1,050 | 925 | 731 | 809 | 747 |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 185,901 | 202,579 | 243,150 | 278,231 | 305,003 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 19,400 | 20,652 | 30,521 | 33,005 | 32,529 |  
                    | |  | I. Current liabilities | 
 |  | 12,723 | 15,623 | 20,786 | 25,233 | 26,587 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 2,376 | 5,470 | 11,758 | 12,494 | 16,801 |  
                    | |  | 4. Advances from customers | 
 |  |  |  |  |  |  |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 2,476 | 1,647 | 3,616 | 4,469 | 3,699 |  
                    | |  | 6. Payables to employees | 
 |  | 7,566 |  |  |  |  |  
                    | |  | 7. Short-term accrued expenses | 
 |  |  | 8,231 | 5,142 | 7,990 | 5,717 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 147 | 118 | 112 | 122 | 236 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 158 | 158 | 158 | 158 | 135 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 6,678 | 5,029 | 9,736 | 7,771 | 5,942 |  
                    | |  | 1. Long-term payables to sellers | 
 |  |  |  | 4,632 | 2,772 | 1,386 |  
                    | |  | 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 | 
 |  | 6,678 | 5,029 |  | 4,999 | 4,556 |  
                    | |  | 11. Long-term unrealized revenue | 
 |  |  |  | 5,104 |  |  |  
                    | |  | 12. Development fund of science and technology | 
 |  |  |  |  |  |  |  
                    | |  | B. OWNER'S EQUITY | 
 |  | 166,500 | 181,927 | 212,629 | 245,227 | 272,474 |  
                    | |  | I. ShareHolder's equity | 
 |  | 166,500 | 181,927 | 212,629 | 245,227 | 272,474 |  
                    | |  | 1. Owner's investment capital | 
 |  | 80,000 | 80,000 | 80,000 | 80,000 | 80,000 |  
                    | |  | 2. Share capital surplus | 
 |  | 176 | 176 | 176 | 176 | 176 |  
                    | |  | 3. Bond conversion option | 
 |  |  |  |  |  |  |  
                    | |  | 4. Other owner's capital | 
 |  |  |  |  |  |  |  
                    | |  | 5. Treasury shares | 
 |  | -247 | -247 | -247 | -247 | -247 |  
                    | |  | 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 | 
 |  | 86,571 | 101,998 | 132,700 | 165,298 | 192,546 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 60,486 | 76,996 | 92,423 | 123,125 | 155,723 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 26,085 | 25,003 | 40,277 | 42,173 | 36,823 |  
                    | |  | 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 | 
 |  | 185,901 | 202,579 | 243,150 | 278,231 | 305,003 |      
    There is no report. |  |