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                    |  |  | Q1 2021 | Q4 2021 | Q4 2022 | Q4 2023 | Q4 2024 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 164,645 | 276,135 | 274,690 | 284,808 | 336,718 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 10,868 | 57,112 | 59,664 | 51,054 | 75,596 |  
                    | |  | 1. Cash | 
 |  | 10,868 | 22,199 | 49,664 | 41,054 | 37,254 |  
                    | |  | 2. Cash equivalents | 
 |  |  | 34,913 | 10,000 | 10,000 | 38,343 |  
                    | |  | II. Short-term financial investments | 
 |  | 89,735 | 128,158 | 168,983 | 173,667 | 180,256 |  
                    | |  | 1. Trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  | 89,735 | 128,158 | 168,983 | 173,667 | 180,256 |  
                    | |  | III. Short-term receivables | 
 |  | 55,324 | 48,618 | 25,865 | 39,479 | 60,654 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 33,691 | 46,046 | 23,792 | 37,982 | 54,472 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 19,834 | 1,491 | 1,073 | 863 | 5,367 |  
                    | |  | 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 | 
 |  | 1,799 | 1,282 | 1,129 | 763 | 814 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  |  | -201 | -129 | -129 |  |  
                    | |  | IV. Inventories | 
 |  | 6,700 | 25,078 | 8,118 | 13,826 | 11,600 |  
                    | |  | 1. Inventories | 
 |  | 6,700 | 25,078 | 8,118 | 13,826 | 11,600 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  |  |  |  
                    | |  | V. Other current assets | 
 |  | 2,019 | 17,169 | 12,060 | 6,783 | 8,611 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  |  | 1,174 | 959 | 544 | 2,352 |  
                    | |  | 2. Deductible VAT | 
 |  | 1,981 | 15,599 | 11,101 | 5,478 | 6,259 |  
                    | |  | 3. Taxes and the State Receivables | 
 |  | 38 | 397 |  | 761 |  |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 129,024 | 174,919 | 157,393 | 136,580 | 141,405 |  
                    | |  | 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 | 
 |  | 108,379 | 155,828 | 143,952 | 124,754 | 117,742 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 108,379 | 155,828 | 143,952 | 124,754 | 117,742 |  
                    | |  | - Cost | 
 |  | 221,916 | 380,178 | 394,678 | 398,678 | 410,535 |  
                    | |  | - Accumulated depreciation | 
 |  | -113,538 | -224,350 | -250,726 | -273,924 | -292,793 |  
                    | |  | 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 | 
 |  |  | 6,149 | 4,070 | 4,070 | 14,327 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  |  | 6,149 | 4,070 | 4,070 | 14,327 |  
                    | |  | IV. Long-term financial investments | 
 |  | 13,400 | 2,000 | 2,000 |  |  |  
                    | |  | 1. Investment in subsidiaries | 
 |  | 18,300 |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other investments in equity instruments | 
 |  |  |  |  |  |  |  
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  | -4,900 |  |  |  |  |  
                    | |  | 5. Investments holding until maturity | 
 |  |  | 2,000 | 2,000 |  |  |  
                    | |  | V. Total other long-term assets | 
 |  | 7,245 | 10,942 | 7,371 | 7,756 | 9,337 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  |  | 10,942 | 7,371 | 7,756 | 9,337 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other long-term assets | 
 |  | 7,245 |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 293,670 | 451,054 | 432,083 | 421,388 | 478,124 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 201,926 | 277,981 | 248,073 | 256,509 | 273,901 |  
                    | |  | I. Current liabilities | 
 |  | 193,381 | 277,436 | 248,073 | 255,960 | 273,616 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 77,644 | 93,887 | 49,999 | 91,806 | 81,007 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 30,611 | 17,524 | 10,397 | 9,391 | 14,150 |  
                    | |  | 4. Advances from customers | 
 |  | 17,399 | 10,704 | 12,500 | 24,481 | 14,996 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  |  | 4,266 | 10,245 | 3,392 | 8,950 |  
                    | |  | 6. Payables to employees | 
 |  | 26,510 | 88,485 | 106,916 | 84,113 | 133,702 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 19 | 141 | 8 | 201 | 246 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 4,667 | 7,433 | 6,551 | 7,167 | 3,582 |  
                    | |  | 12. Provision for short term payables | 
 |  | 22,724 | 39,502 | 39,202 | 20,323 |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 13,808 | 15,494 | 12,257 | 15,085 | 16,984 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 8,545 | 545 |  | 549 | 285 |  
                    | |  | 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 | 
 |  |  |  |  |  |  |  
                    | |  | 6. Borrowings and long-term financial leased liabilities | 
 |  | 8,545 |  |  |  |  |  
                    | |  | 7. Convertible bonds | 
 |  |  |  |  |  |  |  
                    | |  | 8. Deferred income tax payables | 
 |  |  | 545 |  | 549 | 285 |  
                    | |  | 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 | 
 |  | 91,743 | 173,074 | 184,010 | 164,879 | 204,223 |  
                    | |  | I. ShareHolder's equity | 
 |  | 91,743 | 173,074 | 184,010 | 164,879 | 204,223 |  
                    | |  | 1. Owner's investment capital | 
 |  | 68,250 | 68,250 | 68,250 | 68,250 | 68,250 |  
                    | |  | 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 | 
 |  | 6,300 | 10,444 | 14,435 | 18,408 | 20,799 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | 17,194 | 26,503 | 29,092 | 20,084 | 25,183 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 12,699 | 4,533 | 7,786 | 7,748 | 4,955 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 4,494 | 21,971 | 21,305 | 12,336 | 20,228 |  
                    | |  | 12. Investment capital resource for basic construction | 
 |  |  |  |  |  |  |  
                    | |  | 13. Assistance fund for arrangement of enterprises | 
 |  |  |  |  |  |  |  
                    | |  | 14. interest of shareholders who not control | 
 |  |  | 67,877 | 72,233 | 58,137 | 89,991 |  
                    | |  | II. Funding resources and other funds | 
 |  |  |  |  |  |  |  
                    | |  | 1. Funding resources | 
 |  |  |  |  |  |  |  
                    | |  | 2. Funding resources that form fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Retrenchment provision fund | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL CAPITAL RESOURCES | 
 |  | 293,670 | 451,054 | 432,083 | 421,388 | 478,124 |      
    There is no report. |  |