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                    |  |  | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 910,586 | 1,032,127 | 1,190,311 | 977,626 | 1,190,376 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 280,806 | 172,509 | 671,218 | 347,157 | 409,962 |  
                    | |  | 1. Cash | 
 |  | 250,706 | 152,309 | 384,017 | 296,956 | 332,459 |  
                    | |  | 2. Cash equivalents | 
 |  | 30,100 | 20,200 | 287,200 | 50,201 | 77,503 |  
                    | |  | II. Short-term financial investments | 
 |  | 175,781 | 228,898 | 172,978 | 276,138 | 511,161 |  
                    | |  | 1. Trading securities | 
 |  | 5,033 | 4,996 | 4,058 | 4,058 | 4,058 |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  | -937 | -1,279 | -951 | -1,397 | -1,105 |  
                    | |  | 3. Investments holding until maturity | 
 |  | 171,686 | 225,181 | 169,871 | 273,477 | 508,208 |  
                    | |  | III. Short-term receivables | 
 |  | 282,772 | 423,164 | 170,925 | 177,963 | 99,034 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 96,365 | 123,342 | 126,476 | 82,223 | 75,835 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 3,736 | 1,175 | 1,245 | 4,138 | 26,952 |  
                    | |  | 3. Short-term intercompany receivables | 
 |  |  |  |  |  |  |  
                    | |  | 4. Receivables according to the progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 5. Receivables on short-term loans | 
 |  | 175,000 | 275,000 | 15,000 | 75,000 |  |  
                    | |  | 6. Other short-term receivables | 
 |  | 22,001 | 37,978 | 43,292 | 36,337 | 15,982 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -14,331 | -14,331 | -15,088 | -19,735 | -19,735 |  
                    | |  | IV. Inventories | 
 |  | 113,048 | 158,271 | 125,915 | 96,480 | 104,539 |  
                    | |  | 1. Inventories | 
 |  | 115,791 | 161,014 | 130,512 | 100,958 | 109,399 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  | -2,743 | -2,743 | -4,597 | -4,477 | -4,860 |  
                    | |  | V. Other current assets | 
 |  | 58,179 | 49,285 | 49,276 | 79,888 | 65,681 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 6,526 | 4,706 | 4,848 | 7,055 | 6,885 |  
                    | |  | 2. Deductible VAT | 
 |  | 46,183 | 40,609 | 41,799 | 63,668 | 53,399 |  
                    | |  | 3. Taxes and the State Receivables | 
 |  | 5,469 | 3,970 | 2,629 | 9,165 | 5,396 |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 1,047,871 | 1,035,166 | 1,017,198 | 996,605 | 839,500 |  
                    | |  | I. Long-term receivables | 
 |  | 23 | 23 | 23 | 23 | 23 |  
                    | |  | 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 | 
 |  | 23 | 23 | 23 | 23 | 23 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 567,938 | 551,792 | 539,984 | 521,968 | 504,816 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 567,002 | 550,951 | 538,222 | 520,343 | 503,121 |  
                    | |  | - Cost | 
 |  | 1,153,785 | 1,156,421 | 1,161,737 | 1,162,393 | 1,163,630 |  
                    | |  | - Accumulated depreciation | 
 |  | -586,783 | -605,470 | -623,516 | -642,050 | -660,509 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  | 937 | 841 | 1,762 | 1,624 | 1,695 |  
                    | |  | - Cost | 
 |  | 13,644 | 13,644 | 14,697 | 14,273 | 14,436 |  
                    | |  | - Accumulated depreciation | 
 |  | -12,707 | -12,803 | -12,935 | -12,648 | -12,741 |  
                    | |  | III. Real Estate Investments | 
 |  | 19,659 | 19,460 | 19,261 | 19,062 | 18,863 |  
                    | |  | - Cost | 
 |  | 25,795 | 25,795 | 25,795 | 25,795 | 25,795 |  
                    | |  | - Accumulated depreciation | 
 |  | -6,136 | -6,335 | -6,534 | -6,733 | -6,932 |  
                    | |  | IV. Long-term assets in progress | 
 |  | 60,526 | 64,526 | 60,005 | 60,146 | 122,766 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  | 60,526 | 64,526 | 60,005 | 60,146 | 122,766 |  
                    | |  | IV. Long-term financial investments | 
 |  | 200,000 | 200,000 | 200,000 | 200,000 |  |  
                    | |  | 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 | 
 |  |  |  | 200,000 |  |  |  
                    | |  | 5. Investments holding until maturity | 
 |  | 200,000 | 200,000 |  | 200,000 |  |  
                    | |  | V. Total other long-term assets | 
 |  | 199,725 | 199,365 | 197,925 | 195,407 | 193,032 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 197,266 | 197,133 | 195,861 | 193,007 | 191,197 |  
                    | |  | 2. Deferred income tax assets | 
 |  | 2,459 | 2,232 | 2,065 | 2,400 | 1,835 |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 1,958,457 | 2,067,293 | 2,207,510 | 1,974,231 | 2,029,876 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 524,352 | 599,115 | 712,334 | 461,326 | 509,801 |  
                    | |  | I. Current liabilities | 
 |  | 510,311 | 585,427 | 698,768 | 447,342 | 496,051 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 331,780 | 303,766 | 313,887 | 214,092 | 290,312 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 75,723 | 95,412 | 118,965 | 50,358 | 52,495 |  
                    | |  | 4. Advances from customers | 
 |  | 12,520 | 20,067 | 25,728 | 16,868 | 14,956 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 4,772 | 12,902 | 12,253 | 24,270 | 8,671 |  
                    | |  | 6. Payables to employees | 
 |  | 8,703 | 20,065 | 27,188 | 15,996 | 16,065 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 63,020 | 125,344 | 177,033 | 112,838 | 96,814 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 8,779 | 2,876 | 18,727 | 8,033 | 10,342 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  | 1,369 |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 5,015 | 4,995 | 4,987 | 4,887 | 5,026 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 14,041 | 13,688 | 13,566 | 13,984 | 13,750 |  
                    | |  | 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 | 
 |  | 2,646 | 2,646 | 2,646 | 2,646 | 2,646 |  
                    | |  | 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 | 
 |  | 11,395 | 11,042 | 10,920 | 11,338 | 11,103 |  
                    | |  | 11. Long-term unrealized revenue | 
 |  |  |  |  |  |  |  
                    | |  | 12. Development fund of science and technology | 
 |  |  |  |  |  |  |  
                    | |  | B. OWNER'S EQUITY | 
 |  | 1,434,105 | 1,468,178 | 1,495,176 | 1,512,906 | 1,520,075 |  
                    | |  | I. ShareHolder's equity | 
 |  | 1,434,105 | 1,468,178 | 1,495,176 | 1,512,906 | 1,520,075 |  
                    | |  | 1. Owner's investment capital | 
 |  | 187,527 | 187,527 | 187,527 | 187,527 | 187,527 |  
                    | |  | 2. Share capital surplus | 
 |  | 485,821 | 485,821 | 485,821 | 485,821 | 485,821 |  
                    | |  | 3. Bond conversion option | 
 |  |  |  |  |  |  |  
                    | |  | 4. Other owner's capital | 
 |  | -83,896 | -83,896 | -83,896 | -83,896 | -83,896 |  
                    | |  | 5. Treasury shares | 
 |  |  |  |  |  |  |  
                    | |  | 6. Differences upon asset revaluation | 
 |  |  |  |  |  |  |  
                    | |  | 7. Differences upon foreign exchange rate | 
 |  |  |  |  |  |  |  
                    | |  | 8. Investment and development funds | 
 |  | 581,629 | 581,629 | 581,629 | 581,629 | 581,629 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | 262,823 | 296,897 | 323,890 | 341,605 | 348,778 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 236,460 | 236,460 | 207,190 | 323,264 | 322,490 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 26,363 | 60,437 | 116,700 | 18,341 | 26,289 |  
                    | |  | 12. Investment capital resource for basic construction | 
 |  |  |  |  |  |  |  
                    | |  | 13. Assistance fund for arrangement of enterprises | 
 |  |  |  |  |  |  |  
                    | |  | 14. interest of shareholders who not control | 
 |  | 201 | 200 | 205 | 220 | 216 |  
                    | |  | II. Funding resources and other funds | 
 |  |  |  |  |  |  |  
                    | |  | 1. Funding resources | 
 |  |  |  |  |  |  |  
                    | |  | 2. Funding resources that form fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Retrenchment provision fund | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL CAPITAL RESOURCES | 
 |  | 1,958,457 | 2,067,293 | 2,207,510 | 1,974,231 | 2,029,876 |      
    There is no report. |  |