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                    |  |  | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 127,563 | 142,596 | 96,913 | 91,674 | 90,104 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 7,220 | 13,957 | 8,396 | 21,511 | 7,767 |  
                    | |  | 1. Cash | 
 |  | 7,220 | 13,957 | 8,396 | 21,511 | 7,767 |  
                    | |  | 2. Cash equivalents | 
 |  |  |  |  |  |  |  
                    | |  | II. Short-term financial investments | 
 |  | 45,000 | 48,000 | 2,500 | 2,500 | 2,500 |  
                    | |  | 1. Trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  | 45,000 | 48,000 | 2,500 | 2,500 | 2,500 |  
                    | |  | III. Short-term receivables | 
 |  | 33,318 | 30,299 | 43,474 | 21,797 | 42,860 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 17,777 | 16,168 | 26,845 | 11,954 | 29,374 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 3,742 | 322 | 1,636 | 409 | 5,910 |  
                    | |  | 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 | 
 |  | 11,799 | 13,809 | 14,993 | 9,434 | 9,367 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  |  |  |  |  | -1,791 |  
                    | |  | IV. Inventories | 
 |  | 12,676 | 19,998 | 11,421 | 13,335 | 6,766 |  
                    | |  | 1. Inventories | 
 |  | 12,676 | 19,998 | 11,421 | 13,335 | 6,766 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  |  |  |  
                    | |  | V. Other current assets | 
 |  | 29,349 | 30,342 | 31,122 | 32,530 | 30,210 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 1,540 | 1,418 | 1,064 | 889 | 426 |  
                    | |  | 2. Deductible VAT | 
 |  | 27,807 | 28,922 | 30,056 | 31,639 | 29,782 |  
                    | |  | 3. Taxes and the State Receivables | 
 |  | 2 | 2 | 2 | 2 | 2 |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 369,776 | 347,462 | 324,410 | 306,379 | 286,700 |  
                    | |  | I. Long-term receivables | 
 |  | 176,659 | 167,660 | 168,126 | 166,126 | 158,710 |  
                    | |  | 1. Long-term customer's receivables | 
 |  | 16,770 | 7,822 | 8,314 | 6,119 |  |  
                    | |  | 2. Business capital in the subsidiary units | 
 |  |  |  |  |  |  |  
                    | |  | 3. Internal long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | 4. Receivables on long-term loans | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other long-term receivables | 
 |  | 161,680 | 161,629 | 161,603 | 161,799 | 158,710 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  | -1,791 | -1,791 | -1,791 | -1,791 |  |  
                    | |  | II. Fixed assets | 
 |  | 137,022 | 124,766 | 112,408 | 100,885 | 93,009 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 137,022 | 124,766 | 112,408 | 100,885 | 93,009 |  
                    | |  | - Cost | 
 |  | 1,103,747 | 1,101,697 | 1,093,926 | 1,092,754 | 905,424 |  
                    | |  | - Accumulated depreciation | 
 |  | -966,725 | -976,931 | -981,518 | -991,868 | -812,416 |  
                    | |  | 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 | 
 |  | 17,196 | 17,196 | 17,196 | 17,196 | 17,196 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  | 17,196 | 17,196 | 17,196 | 17,196 | 17,196 |  
                    | |  | 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 | 
 |  | 38,899 | 37,841 | 26,680 | 22,172 | 17,786 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 38,899 | 37,841 | 26,680 | 22,172 | 17,786 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 497,339 | 490,058 | 421,323 | 398,053 | 376,804 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 1,398,264 | 1,390,570 | 1,232,527 | 1,224,226 | 1,182,333 |  
                    | |  | I. Current liabilities | 
 |  | 84,603 | 84,976 | 61,371 | 50,465 | 527,390 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 46,838 | 45,043 | 19,645 | 18,998 | 145,954 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 20,117 | 26,558 | 21,671 | 14,914 | 34,375 |  
                    | |  | 4. Advances from customers | 
 |  |  |  |  |  | 1,869 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 391 | 387 | 551 | 274 | 319 |  
                    | |  | 6. Payables to employees | 
 |  | 11,411 | 10,431 | 11,351 | 9,169 | 8,180 |  
                    | |  | 7. Short-term accrued expenses | 
 |  |  |  |  |  | 325,038 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  | 4,041 | 1,231 | 6,801 | 1,617 | 4,745 |  
                    | |  | 11. Other short-term payables | 
 |  | 1,804 | 1,324 | 1,352 | 5,492 | 6,908 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 1 | 1 | 1 | 1 | 1 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 1,313,662 | 1,305,593 | 1,171,156 | 1,173,761 | 654,944 |  
                    | |  | 1. Long-term payables to sellers | 
 |  | 11,865 | 9,731 | 10,675 | 11,693 |  |  
                    | |  | 2. Long-term accrued expenses | 
 |  | 580,623 | 584,461 | 317,542 | 321,597 |  |  
                    | |  | 3. Intercompany payables on business capital | 
 |  |  |  |  |  |  |  
                    | |  | 4. Long-term intra-company payables | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other long-term payables | 
 |  | 299,313 | 299,387 | 299,315 | 299,327 | 291,888 |  
                    | |  | 6. Borrowings and long-term financial leased liabilities | 
 |  | 421,861 | 412,014 | 543,624 | 541,145 | 363,055 |  
                    | |  | 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 | 
 |  |  |  |  |  |  |  
                    | |  | 12. Development fund of science and technology | 
 |  |  |  |  |  |  |  
                    | |  | B. OWNER'S EQUITY | 
 |  | -900,926 | -900,511 | -811,204 | -826,173 | -805,529 |  
                    | |  | I. ShareHolder's equity | 
 |  | -900,926 | -900,511 | -811,204 | -826,173 | -805,529 |  
                    | |  | 1. Owner's investment capital | 
 |  | 122,445 | 122,445 | 122,445 | 122,445 | 122,445 |  
                    | |  | 2. Share capital surplus | 
 |  | 4,621 | 4,621 | 4,621 | 4,621 | 4,621 |  
                    | |  | 3. Bond conversion option | 
 |  |  |  |  |  |  |  
                    | |  | 4. Other owner's capital | 
 |  | 1,800 | 1,800 | 1,800 | 1,800 | 1,800 |  
                    | |  | 5. Treasury shares | 
 |  |  |  |  |  |  |  
                    | |  | 6. Differences upon asset revaluation | 
 |  |  |  |  |  |  |  
                    | |  | 7. Differences upon foreign exchange rate | 
 |  |  |  |  |  |  |  
                    | |  | 8. Investment and development funds | 
 |  | 9,304 | 9,304 | 9,304 | 9,304 | 9,304 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | -1,040,504 | -1,041,118 | -951,860 | -966,883 | -945,295 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | -968,022 |  |  | -950,914 | -950,880 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | -72,482 |  |  | -15,969 | 5,585 |  
                    | |  | 12. Investment capital resource for basic construction | 
 |  |  |  |  |  |  |  
                    | |  | 13. Assistance fund for arrangement of enterprises | 
 |  |  |  |  |  |  |  
                    | |  | 14. interest of shareholders who not control | 
 |  | 1,408 | 2,437 | 2,486 | 2,540 | 1,596 |  
                    | |  | II. Funding resources and other funds | 
 |  |  |  |  |  |  |  
                    | |  | 1. Funding resources | 
 |  |  |  |  |  |  |  
                    | |  | 2. Funding resources that form fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Retrenchment provision fund | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL CAPITAL RESOURCES | 
 |  | 497,339 | 490,058 | 421,323 | 398,053 | 376,804 |      
    There is no report. |  |