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                    |  |  | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 53,078 | 50,605 | 58,926 | 75,080 | 77,488 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 27,306 | 34,003 | 35,574 | 45,091 | 49,157 |  
                    | |  | 1. Cash | 
 |  | 9,806 | 11,003 | 9,574 | 7,591 | 9,257 |  
                    | |  | 2. Cash equivalents | 
 |  | 17,500 | 23,000 | 26,000 | 37,500 | 39,900 |  
                    | |  | II. Short-term financial investments | 
 |  | 1,500 | 1,500 | 1,000 | 1,500 | 1,500 |  
                    | |  | 1. Trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  | 1,500 | 1,500 | 1,000 | 1,500 | 1,500 |  
                    | |  | III. Short-term receivables | 
 |  | 22,952 | 13,096 | 20,020 | 23,059 | 24,897 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 19,670 | 11,668 | 17,031 | 22,502 | 22,865 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 2,439 | 1,838 | 2,974 | 397 | 1,825 |  
                    | |  | 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 | 
 |  | 1,964 | 846 | 1,271 | 1,416 | 1,463 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -1,121 | -1,256 | -1,256 | -1,256 | -1,256 |  
                    | |  | IV. Inventories | 
 |  | 1,032 | 1,508 | 1,837 | 1,794 | 1,633 |  
                    | |  | 1. Inventories | 
 |  | 1,032 | 1,508 | 1,837 | 1,794 | 1,633 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  |  |  |  
                    | |  | V. Other current assets | 
 |  | 289 | 498 | 495 | 3,636 | 301 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 289 | 435 | 495 | 3,636 | 301 |  
                    | |  | 2. Deductible VAT | 
 |  |  |  |  |  |  |  
                    | |  | 3. Taxes and the State Receivables | 
 |  |  | 63 |  |  |  |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 266,705 | 263,380 | 258,786 | 258,715 | 254,116 |  
                    | |  | I. Long-term receivables | 
 |  | 100 | 115 | 100 | 100 | 100 |  
                    | |  | 1. Long-term customer's receivables | 
 |  |  | 100 |  |  |  |  
                    | |  | 2. Business capital in the subsidiary units | 
 |  |  |  |  |  |  |  
                    | |  | 3. Internal long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | 4. Receivables on long-term loans | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other long-term receivables | 
 |  | 100 | 15 | 100 | 100 | 100 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 257,923 | 259,161 | 253,435 | 252,972 | 248,252 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 257,261 | 258,532 | 252,854 | 252,434 | 247,752 |  
                    | |  | - Cost | 
 |  | 562,112 | 569,015 | 569,015 | 574,011 | 574,801 |  
                    | |  | - Accumulated depreciation | 
 |  | -304,852 | -310,483 | -316,162 | -321,577 | -327,048 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  | 662 | 629 | 581 | 538 | 500 |  
                    | |  | - Cost | 
 |  | 941 | 955 | 955 | 955 | 955 |  
                    | |  | - Accumulated depreciation | 
 |  | -279 | -326 | -374 | -417 | -455 |  
                    | |  | III. Real Estate Investments | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term assets in progress | 
 |  | 7,347 | 2,238 | 2,891 | 1,796 | 2,230 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  | 7,347 | 2,238 | 2,891 | 1,796 | 2,230 |  
                    | |  | IV. Long-term financial investments | 
 |  | 1,170 | 1,170 | 1,170 | 1,170 | 1,170 |  
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other investments in equity instruments | 
 |  | 1,170 | 1,170 | 1,170 | 1,170 | 1,170 |  
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  |  |  |  |  |  |  
                    | |  | 5. Investments holding until maturity | 
 |  |  |  |  |  |  |  
                    | |  | V. Total other long-term assets | 
 |  | 165 | 696 | 1,190 | 2,677 | 2,363 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 164 | 695 | 1,189 | 2,677 | 2,363 |  
                    | |  | 2. Deferred income tax assets | 
 |  | 1 | 1 | 1 |  |  |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 319,783 | 313,985 | 317,712 | 333,795 | 331,604 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 43,129 | 33,314 | 33,255 | 59,400 | 49,944 |  
                    | |  | I. Current liabilities | 
 |  | 30,246 | 24,585 | 26,033 | 52,776 | 43,792 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 1,620 | 1,620 | 1,620 | 1,620 | 1,620 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 7,889 | 6,547 | 5,298 | 9,219 | 6,560 |  
                    | |  | 4. Advances from customers | 
 |  | 1,122 | 92 | 88 | 970 | 93 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 3,009 | 1,575 | 4,162 | 4,187 | 4,171 |  
                    | |  | 6. Payables to employees | 
 |  | 5,990 | 6,890 | 5,778 | 8,536 | 11,286 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 3,314 | 146 | 1,736 | 2,171 | 8,431 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  | 1,590 | 3,675 | 4,515 | 3,562 | 2,519 |  
                    | |  | 11. Other short-term payables | 
 |  | 2,436 | 3,188 | 1,268 | 15,390 | 1,957 |  
                    | |  | 12. Provision for short term payables | 
 |  | 1,900 |  | 700 | 3,600 | 5,439 |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 1,377 | 852 | 870 | 3,521 | 1,716 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 12,882 | 8,729 | 7,222 | 6,624 | 6,152 |  
                    | |  | 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 | 
 |  | 7,772 | 7,367 | 6,962 | 6,557 | 6,152 |  
                    | |  | 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 | 
 |  | 5,110 | 1,362 | 260 | 67 |  |  
                    | |  | 12. Development fund of science and technology | 
 |  |  |  |  |  |  |  
                    | |  | B. OWNER'S EQUITY | 
 |  | 276,655 | 280,671 | 284,457 | 274,396 | 281,660 |  
                    | |  | I. ShareHolder's equity | 
 |  | 276,655 | 280,671 | 284,457 | 274,396 | 281,660 |  
                    | |  | 1. Owner's investment capital | 
 |  | 245,018 | 245,018 | 245,018 | 245,018 | 245,018 |  
                    | |  | 2. Share capital surplus | 
 |  |  |  |  |  |  |  
                    | |  | 3. Bond conversion option | 
 |  |  |  |  |  |  |  
                    | |  | 4. Other owner's capital | 
 |  | 275 | 275 | 275 | 275 | 275 |  
                    | |  | 5. Treasury shares | 
 |  | -482 | -482 | -482 | -482 | -482 |  
                    | |  | 6. Differences upon asset revaluation | 
 |  |  |  |  |  |  |  
                    | |  | 7. Differences upon foreign exchange rate | 
 |  |  |  |  |  |  |  
                    | |  | 8. Investment and development funds | 
 |  | 14,520 | 14,520 | 14,538 | 14,520 | 14,520 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | 12,969 | 16,919 | 20,723 | 10,825 | 17,877 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 429 | 398 | 15,656 | 379 | 379 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 12,540 | 16,521 | 5,067 | 10,446 | 17,499 |  
                    | |  | 12. Investment capital resource for basic construction | 
 |  |  |  |  |  |  |  
                    | |  | 13. Assistance fund for arrangement of enterprises | 
 |  |  |  |  |  |  |  
                    | |  | 14. interest of shareholders who not control | 
 |  | 4,353 | 4,420 | 4,385 | 4,239 | 4,450 |  
                    | |  | II. Funding resources and other funds | 
 |  |  |  |  |  |  |  
                    | |  | 1. Funding resources | 
 |  |  |  |  |  |  |  
                    | |  | 2. Funding resources that form fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Retrenchment provision fund | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL CAPITAL RESOURCES | 
 |  | 319,783 | 313,985 | 317,712 | 333,795 | 331,604 |      
    There is no report. |  |