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                    |  |  | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 624,467 | 648,087 | 757,235 | 708,671 | 559,065 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 10,143 | 7,149 | 5,129 | 15,201 | 29,357 |  
                    | |  | 1. Cash | 
 |  | 10,143 | 7,149 | 5,129 | 15,201 | 29,357 |  
                    | |  | 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 | 
 |  | 578,380 | 592,639 | 726,181 | 672,181 | 512,230 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 299,854 | 272,646 | 423,859 | 354,942 | 360,911 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 113,434 | 95,307 | 159,377 | 184,504 | 154,006 |  
                    | |  | 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 | 
 |  | 168,703 | 229,020 | 148,021 | 158,744 | 131,536 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -3,612 | -4,334 | -5,076 | -26,009 | -134,223 |  
                    | |  | IV. Inventories | 
 |  | 15,270 | 26,144 | 19,550 | 16,540 | 11,253 |  
                    | |  | 1. Inventories | 
 |  | 15,270 | 26,144 | 19,550 | 16,540 | 11,253 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  |  |  |  
                    | |  | V. Other current assets | 
 |  | 20,674 | 22,156 | 6,374 | 4,749 | 6,225 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 334 | 421 | 53 | 38 | 11 |  
                    | |  | 2. Deductible VAT | 
 |  | 20,341 | 21,735 | 6,321 | 4,712 | 6,215 |  
                    | |  | 3. Taxes and the State Receivables | 
 |  |  |  |  |  |  |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 1,084,162 | 1,092,240 | 988,352 | 995,517 | 1,002,999 |  
                    | |  | I. Long-term receivables | 
 |  | 14,047 | 14,047 | 14,047 | 14,047 | 14,047 |  
                    | |  | 1. Long-term customer's receivables | 
 |  |  | 14,000 |  |  |  |  
                    | |  | 2. Business capital in the subsidiary units | 
 |  |  |  |  |  |  |  
                    | |  | 3. Internal long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | 4. Receivables on long-term loans | 
 |  | 14,000 |  | 14,000 | 14,000 | 14,000 |  
                    | |  | 5. Other long-term receivables | 
 |  | 47 | 47 | 47 | 47 | 47 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 811,488 | 791,647 | 772,573 | 780,429 | 760,516 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 801,061 | 781,624 | 762,954 | 770,809 | 751,705 |  
                    | |  | - Cost | 
 |  | 1,126,546 | 1,126,546 | 1,126,781 | 1,127,042 | 1,127,042 |  
                    | |  | - Accumulated depreciation | 
 |  | -325,485 | -344,922 | -363,828 | -356,233 | -375,337 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  | 10,428 | 10,023 | 9,619 | 9,619 | 8,811 |  
                    | |  | - Cost | 
 |  | 16,163 | 16,163 | 16,163 | 16,163 | 16,163 |  
                    | |  | - Accumulated depreciation | 
 |  | -5,735 | -6,139 | -6,543 | -6,543 | -7,351 |  
                    | |  | 3. Intangible fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | III. Real Estate Investments | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term assets in progress | 
 |  | 146,705 | 176,161 | 91,657 | 92,908 | 119,029 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  | 146,705 | 176,161 | 91,657 | 92,908 | 119,029 |  
                    | |  | IV. Long-term financial investments | 
 |  | 96,790 | 96,800 | 96,740 | 95,208 | 96,885 |  
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  | 96,790 | 96,800 | 96,740 | 96,776 | 96,885 |  
                    | |  | 3. Other investments in equity instruments | 
 |  |  |  |  |  |  |  
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  |  |  |  | -1,568 |  |  
                    | |  | 5. Investments holding until maturity | 
 |  |  |  |  |  |  |  
                    | |  | V. Total other long-term assets | 
 |  | 9,905 | 9,719 | 9,682 | 9,486 | 9,296 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 6,596 | 6,450 | 6,451 | 6,293 | 6,142 |  
                    | |  | 2. Deferred income tax assets | 
 |  | 3,309 | 3,270 | 3,231 | 3,192 | 3,154 |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  | 5,227 | 3,865 | 3,653 | 3,440 | 3,227 |  
                    | |  | TOTAL ASSETS | 
 |  | 1,708,629 | 1,740,327 | 1,745,587 | 1,704,188 | 1,562,065 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 923,366 | 934,779 | 930,571 | 917,689 | 922,893 |  
                    | |  | I. Current liabilities | 
 |  | 828,467 | 853,393 | 857,876 | 853,211 | 866,669 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 639,733 | 646,782 | 635,558 | 627,131 | 609,325 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 48,094 | 48,067 | 47,406 | 31,030 | 41,862 |  
                    | |  | 4. Advances from customers | 
 |  | 11,740 | 11,740 | 11,947 | 8,672 | 8,672 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 15,840 | 9,023 | 6,488 | 5,919 | 5,135 |  
                    | |  | 6. Payables to employees | 
 |  | 724 |  |  |  |  |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 103,442 | 128,327 | 150,493 | 174,111 | 195,091 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 8,895 | 9,453 | 5,984 | 6,347 | 6,584 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  |  |  |  |  |  |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 94,899 | 81,386 | 72,695 | 64,478 | 56,224 |  
                    | |  | 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 | 
 |  | 6,539 | 1,222 | 500 | 500 | 500 |  
                    | |  | 6. Borrowings and long-term financial leased liabilities | 
 |  | 87,294 | 79,362 | 71,430 | 63,498 | 55,566 |  
                    | |  | 7. Convertible bonds | 
 |  |  |  |  |  |  |  
                    | |  | 8. Deferred income tax payables | 
 |  | 1,066 | 803 | 765 | 480 | 158 |  
                    | |  | 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 | 
 |  | 785,263 | 805,549 | 815,016 | 786,499 | 639,171 |  
                    | |  | I. ShareHolder's equity | 
 |  | 785,263 | 805,549 | 815,016 | 786,499 | 639,171 |  
                    | |  | 1. Owner's investment capital | 
 |  | 798,399 | 798,399 | 798,399 | 798,399 | 798,399 |  
                    | |  | 2. Share capital surplus | 
 |  | 56,000 | 56,000 | 56,000 | 56,000 | 56,000 |  
                    | |  | 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 | 
 |  |  |  |  |  |  |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | -91,864 | -85,968 | -76,435 | -98,038 | -244,163 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | -92,757 | -92,757 | -92,760 | -71,075 | -134,842 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 893 | 6,789 | 16,325 | -26,963 | -109,321 |  
                    | |  | 12. Investment capital resource for basic construction | 
 |  |  |  |  |  |  |  
                    | |  | 13. Assistance fund for arrangement of enterprises | 
 |  |  |  |  |  |  |  
                    | |  | 14. interest of shareholders who not control | 
 |  | 22,729 | 37,118 | 37,052 | 30,138 | 28,935 |  
                    | |  | II. Funding resources and other funds | 
 |  |  |  |  |  |  |  
                    | |  | 1. Funding resources | 
 |  |  |  |  |  |  |  
                    | |  | 2. Funding resources that form fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Retrenchment provision fund | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL CAPITAL RESOURCES | 
 |  | 1,708,629 | 1,740,327 | 1,745,587 | 1,704,188 | 1,562,065 |      
    There is no report. |  |