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                    |  |  | Q4 2020 | Q4 2021 | Q4 2022 | Q4 2023 | Q4 2024 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 419,738 | 582,806 | 492,095 | 433,103 | 422,826 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 39,661 | 15,788 | 38,285 | 31,443 | 27,232 |  
                    | |  | 1. Cash | 
 |  | 39,661 | 15,788 | 38,285 | 31,443 | 27,232 |  
                    | |  | 2. Cash equivalents | 
 |  |  |  |  |  |  |  
                    | |  | II. Short-term financial investments | 
 |  |  |  |  |  |  |  
                    | |  | 1. Trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  |  |  |  |  |  |  
                    | |  | III. Short-term receivables | 
 |  | 234,813 | 363,996 | 293,142 | 205,650 | 295,115 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 210,186 | 325,422 | 265,617 | 190,663 | 272,183 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 10,780 | 27,543 | 22,874 | 6,901 | 13,954 |  
                    | |  | 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 | 
 |  | 19,024 | 16,207 | 8,882 | 11,744 | 12,635 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -5,176 | -5,176 | -4,231 | -3,657 | -3,657 |  
                    | |  | IV. Inventories | 
 |  | 140,855 | 199,553 | 160,467 | 193,700 | 100,416 |  
                    | |  | 1. Inventories | 
 |  | 140,855 | 199,553 | 160,467 | 193,700 | 100,416 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  |  |  |  
                    | |  | V. Other current assets | 
 |  | 4,409 | 3,469 | 201 | 2,310 | 62 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 125 | 164 | 174 | 198 | 26 |  
                    | |  | 2. Deductible VAT | 
 |  | 4,257 | 2,982 |  | 2,034 |  |  
                    | |  | 3. Taxes and the State Receivables | 
 |  | 28 | 323 | 28 | 79 | 36 |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 46,447 | 46,258 | 46,233 | 44,770 | 49,702 |  
                    | |  | I. Long-term receivables | 
 |  | 17 | 17 | 17 | 17 | 17 |  
                    | |  | 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 | 
 |  | 17 | 17 | 17 | 17 | 17 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 41,558 | 45,617 | 45,174 | 44,042 | 49,359 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 15,719 | 19,804 | 19,403 | 18,330 | 20,497 |  
                    | |  | - Cost | 
 |  | 23,952 | 29,753 | 31,254 | 32,185 | 35,155 |  
                    | |  | - Accumulated depreciation | 
 |  | -8,233 | -9,949 | -11,851 | -13,855 | -14,658 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  | 25,839 | 25,812 | 25,770 | 25,712 | 28,862 |  
                    | |  | - Cost | 
 |  | 38,331 | 38,361 | 38,361 | 38,361 | 41,581 |  
                    | |  | - Accumulated depreciation | 
 |  | -12,491 | -12,548 | -12,590 | -12,649 | -12,719 |  
                    | |  | III. Real Estate Investments | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term assets in progress | 
 |  | 4,500 |  |  |  |  |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  | 4,500 |  |  |  |  |  
                    | |  | 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 | 
 |  | 372 | 625 | 1,042 | 712 | 327 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 372 | 625 | 1,042 | 689 | 319 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  | 23 | 8 |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 466,186 | 629,064 | 538,327 | 477,873 | 472,528 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 276,711 | 415,043 | 304,327 | 229,634 | 217,234 |  
                    | |  | I. Current liabilities | 
 |  | 267,159 | 402,116 | 291,509 | 216,336 | 204,096 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 120,234 | 159,645 | 135,140 | 94,749 | 118,329 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 93,046 | 122,664 | 94,255 | 59,027 | 55,047 |  
                    | |  | 4. Advances from customers | 
 |  | 31,527 | 94,857 | 36,133 | 29,909 | 2,360 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 4,808 | 5,125 | 5,270 | 5,195 | 9,261 |  
                    | |  | 6. Payables to employees | 
 |  | 4,858 | 5,041 | 4,694 | 3,983 | 2,665 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 773 | 615 | 686 | 317 | 83 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 544 | 1,000 | 1,093 | 10,272 | 3,321 |  
                    | |  | 12. Provision for short term payables | 
 |  | 2,328 | 2,458 | 2,050 | 694 | 841 |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 9,042 | 10,711 | 12,188 | 12,188 | 12,188 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 9,552 | 12,928 | 12,818 | 13,298 | 13,138 |  
                    | |  | 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 | 
 |  |  |  |  | 480 | 320 |  
                    | |  | 7. Convertible bonds | 
 |  |  |  |  |  |  |  
                    | |  | 8. Deferred income tax payables | 
 |  | 71 | 110 |  |  |  |  
                    | |  | 9. Provision for job loss allowance | 
 |  |  |  |  |  |  |  
                    | |  | 10. Provision for long-term payables | 
 |  |  |  |  |  |  |  
                    | |  | 11. Long-term unrealized revenue | 
 |  |  |  |  |  |  |  
                    | |  | 12. Development fund of science and technology | 
 |  | 9,480 | 12,818 | 12,818 | 12,818 | 12,818 |  
                    | |  | B. OWNER'S EQUITY | 
 |  | 189,474 | 214,020 | 234,001 | 248,240 | 255,294 |  
                    | |  | I. ShareHolder's equity | 
 |  | 189,474 | 214,020 | 234,001 | 248,240 | 255,294 |  
                    | |  | 1. Owner's investment capital | 
 |  | 80,000 | 80,000 | 80,000 | 80,000 | 80,000 |  
                    | |  | 2. Share capital surplus | 
 |  |  |  |  |  |  |  
                    | |  | 3. Bond conversion option | 
 |  |  |  |  |  |  |  
                    | |  | 4. Other owner's capital | 
 |  |  |  |  |  |  |  
                    | |  | 5. Treasury shares | 
 |  | -5,275 | -5,275 | -5,275 | -5,275 | -5,275 |  
                    | |  | 6. Differences upon asset revaluation | 
 |  |  |  |  |  |  |  
                    | |  | 7. Differences upon foreign exchange rate | 
 |  |  |  |  |  |  |  
                    | |  | 8. Investment and development funds | 
 |  | 59,343 | 70,188 | 92,352 | 106,085 | 111,654 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  | 4,129 | 4,963 | 10,873 | 14,307 | 15,699 |  
                    | |  | 11. After tax undistributed profit | 
 |  | 51,278 | 64,144 | 56,051 | 53,123 | 53,217 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 23,676 | 34,593 | 34,593 | 38,884 | 38,884 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 27,602 | 29,551 | 21,458 | 14,239 | 14,332 |  
                    | |  | 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 | 
 |  | 466,186 | 629,064 | 538,327 | 477,873 | 472,528 |      
    There is no report. |  |