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                    |  |  | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 337,874 | 362,776 | 359,501 | 357,424 | 378,368 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 53,506 | 70,142 | 85,191 | 65,509 | 52,832 |  
                    | |  | 1. Cash | 
 |  | 31,506 | 45,142 | 55,191 | 31,509 | 18,832 |  
                    | |  | 2. Cash equivalents | 
 |  | 22,000 | 25,000 | 30,000 | 34,000 | 34,000 |  
                    | |  | II. Short-term financial investments | 
 |  | 20,000 | 10,000 | 10,000 | 10,000 | 20,000 |  
                    | |  | 1. Trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  | 20,000 | 10,000 | 10,000 | 10,000 | 20,000 |  
                    | |  | III. Short-term receivables | 
 |  | 261,370 | 278,192 | 259,549 | 276,606 | 300,344 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 265,160 | 283,248 | 267,566 | 280,526 | 297,370 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 2,655 | 2,031 | 853 | 1,117 | 4,001 |  
                    | |  | 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 | 
 |  | 4,359 | 3,716 | 2,239 | 6,073 | 10,083 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -10,804 | -10,804 | -11,110 | -11,110 | -11,110 |  
                    | |  | IV. Inventories | 
 |  |  |  |  |  |  |  
                    | |  | 1. Inventories | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  |  |  |  
                    | |  | V. Other current assets | 
 |  | 2,997 | 4,442 | 4,761 | 5,309 | 5,193 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 154 | 656 | 522 | 272 | 270 |  
                    | |  | 2. Deductible VAT | 
 |  | 2,319 | 3,261 | 3,714 | 4,513 | 4,398 |  
                    | |  | 3. Taxes and the State Receivables | 
 |  | 524 | 524 | 524 | 524 | 524 |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 94,889 | 94,255 | 96,874 | 96,499 | 97,145 |  
                    | |  | I. Long-term receivables | 
 |  | 2,403 | 2,394 | 2,429 | 2,430 | 2,886 |  
                    | |  | 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 | 
 |  | 2,403 | 2,394 | 2,429 | 2,430 | 2,886 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 42,325 | 41,918 | 43,593 | 43,200 | 42,610 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 15,878 | 15,501 | 17,207 | 16,745 | 16,140 |  
                    | |  | - Cost | 
 |  | 50,668 | 50,842 | 51,916 | 51,155 | 51,155 |  
                    | |  | - Accumulated depreciation | 
 |  | -34,791 | -35,341 | -34,709 | -34,410 | -35,015 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  | 26,448 | 26,417 | 26,386 | 26,456 | 26,470 |  
                    | |  | - Cost | 
 |  | 26,670 | 26,670 | 26,670 | 26,770 | 26,855 |  
                    | |  | - Accumulated depreciation | 
 |  | -222 | -253 | -284 | -314 | -385 |  
                    | |  | III. Real Estate Investments | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term assets in progress | 
 |  |  |  |  |  |  |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term financial investments | 
 |  | 49,031 | 49,031 | 50,021 | 50,021 | 51,021 |  
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  | 50,686 | 50,686 | 50,686 | 50,686 | 51,686 |  
                    | |  | 3. Other investments in equity instruments | 
 |  | 726 | 726 | 726 | 726 | 726 |  
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  | -2,382 | -2,382 | -1,392 | -1,392 | -1,392 |  
                    | |  | 5. Investments holding until maturity | 
 |  |  |  |  |  |  |  
                    | |  | V. Total other long-term assets | 
 |  | 1,130 | 913 | 831 | 847 | 628 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 1,130 | 913 | 831 | 847 | 628 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 432,763 | 457,031 | 456,374 | 453,923 | 475,513 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 152,203 | 170,033 | 158,962 | 149,569 | 160,927 |  
                    | |  | I. Current liabilities | 
 |  | 109,839 | 127,671 | 117,509 | 108,116 | 119,473 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 78,213 | 73,928 | 68,778 | 64,868 | 78,574 |  
                    | |  | 4. Advances from customers | 
 |  | 609 | 307 | 519 | 951 | 2,029 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 4,090 | 7,350 | 7,386 | 5,608 | 8,149 |  
                    | |  | 6. Payables to employees | 
 |  | 9,469 | 12,022 | 24,640 | 7,563 | 11,348 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 13,146 | 21,898 | 9,843 | 17,496 | 10,784 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 3,015 | 11,370 | 5,547 | 10,833 | 7,613 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 1,297 | 797 | 797 | 797 | 976 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 42,364 | 42,362 | 41,452 | 41,453 | 41,454 |  
                    | |  | 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 | 
 |  | 32,864 | 32,862 | 31,952 | 31,953 | 31,954 |  
                    | |  | 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 | 
 |  | 9,500 | 9,500 | 9,500 | 9,500 | 9,500 |  
                    | |  | 12. Development fund of science and technology | 
 |  |  |  |  |  |  |  
                    | |  | B. OWNER'S EQUITY | 
 |  | 280,560 | 286,998 | 297,413 | 304,355 | 314,586 |  
                    | |  | I. ShareHolder's equity | 
 |  | 280,560 | 286,998 | 297,413 | 304,355 | 314,586 |  
                    | |  | 1. Owner's investment capital | 
 |  | 141,405 | 141,405 | 141,405 | 141,405 | 141,405 |  
                    | |  | 2. Share capital surplus | 
 |  | 4,950 | 4,950 | 4,950 | 4,950 | 4,950 |  
                    | |  | 3. Bond conversion option | 
 |  |  |  |  |  |  |  
                    | |  | 4. Other owner's capital | 
 |  | 10,000 | 10,000 | 10,000 | 10,000 | 10,000 |  
                    | |  | 5. Treasury shares | 
 |  |  |  |  |  |  |  
                    | |  | 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 | 
 |  | 124,205 | 130,643 | 141,058 | 148,000 | 158,231 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 102,694 | 102,694 | 102,694 | 133,988 | 125,554 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 21,511 | 27,948 | 38,364 | 14,012 | 32,676 |  
                    | |  | 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 | 
 |  | 432,763 | 457,031 | 456,374 | 453,923 | 475,513 |      
    There is no report. |  |