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                    |  |  | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 741,514 | 708,820 | 735,600 | 727,277 | 724,198 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 40,782 | 38,254 | 19,610 | 25,171 | 31,690 |  
                    | |  | 1. Cash | 
 |  | 19,012 | 22,991 | 19,015 | 24,974 | 31,356 |  
                    | |  | 2. Cash equivalents | 
 |  | 21,770 | 15,263 | 595 | 196 | 334 |  
                    | |  | II. Short-term financial investments | 
 |  | 236,140 | 238,802 | 295,085 | 316,184 | 283,555 |  
                    | |  | 1. Trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  | 236,140 | 238,802 | 295,085 | 316,184 | 283,555 |  
                    | |  | III. Short-term receivables | 
 |  | 151,517 | 178,391 | 153,796 | 110,604 | 134,848 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 131,196 | 165,946 | 156,311 | 103,578 | 137,119 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 15,919 | 12,501 | 8,821 | 15,786 | 6,349 |  
                    | |  | 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 | 
 |  | 33,971 | 30,036 | 18,343 | 20,602 | 20,467 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -29,569 | -30,092 | -29,678 | -29,362 | -29,087 |  
                    | |  | IV. Inventories | 
 |  | 307,094 | 251,026 | 253,508 | 260,488 | 261,198 |  
                    | |  | 1. Inventories | 
 |  | 337,824 | 312,544 | 307,420 | 309,542 | 309,909 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  | -30,730 | -61,518 | -53,911 | -49,053 | -48,711 |  
                    | |  | V. Other current assets | 
 |  | 5,981 | 2,346 | 13,600 | 14,829 | 12,906 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 2,050 | 2,113 | 2,520 | 3,107 | 2,713 |  
                    | |  | 2. Deductible VAT | 
 |  | 3,932 | 233 | 11,080 | 11,722 | 10,193 |  
                    | |  | 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 | 
 |  | 569,088 | 554,731 | 549,610 | 537,966 | 537,103 |  
                    | |  | I. Long-term receivables | 
 |  | 2,627 | 3,195 | 2,865 | 2,772 | 3,384 |  
                    | |  | 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 | 
 |  | 2,627 | 3,195 | 2,865 | 2,772 | 3,384 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 335,031 | 323,905 | 316,455 | 308,746 | 312,045 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 334,203 | 323,115 | 315,044 | 307,444 | 310,727 |  
                    | |  | - Cost | 
 |  | 769,846 | 770,476 | 769,497 | 767,556 | 766,666 |  
                    | |  | - Accumulated depreciation | 
 |  | -435,644 | -447,361 | -454,453 | -460,112 | -455,939 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  | 829 | 790 | 1,412 | 1,302 | 1,318 |  
                    | |  | - Cost | 
 |  | 41,711 | 41,725 | 42,393 | 42,339 | 42,412 |  
                    | |  | - Accumulated depreciation | 
 |  | -40,883 | -40,936 | -40,981 | -41,038 | -41,094 |  
                    | |  | III. Real Estate Investments | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term assets in progress | 
 |  | 1,020 | 1,020 |  |  | 3,003 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  | 1,020 | 1,020 |  |  | 3,003 |  
                    | |  | IV. Long-term financial investments | 
 |  | 64,375 | 64,452 | 69,192 | 69,389 | 65,672 |  
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  | 11,590 | 11,590 | 11,590 | 11,590 | 11,590 |  
                    | |  | 3. Other investments in equity instruments | 
 |  | 10,281 | 10,389 | 10,389 | 70,349 | 10,533 |  
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  | -12,117 | -12,142 | -12,550 | -12,550 | -12,550 |  
                    | |  | 5. Investments holding until maturity | 
 |  | 54,620 | 54,615 | 59,763 |  | 56,099 |  
                    | |  | V. Total other long-term assets | 
 |  | 166,035 | 162,158 | 161,097 | 157,059 | 152,999 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 143,716 | 139,598 | 138,841 | 134,820 | 131,667 |  
                    | |  | 2. Deferred income tax assets | 
 |  | 22,319 | 22,560 | 22,256 | 22,239 | 21,332 |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 1,310,602 | 1,263,550 | 1,285,210 | 1,265,243 | 1,261,301 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 340,628 | 321,715 | 337,671 | 315,602 | 321,932 |  
                    | |  | I. Current liabilities | 
 |  | 239,497 | 220,752 | 235,671 | 213,896 | 217,539 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 162,599 | 144,783 | 145,320 | 148,410 | 145,523 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 38,694 | 31,309 | 43,044 | 31,198 | 34,348 |  
                    | |  | 4. Advances from customers | 
 |  | 11,223 | 14,748 | 18,499 | 15,289 | 13,126 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 4,881 | 6,107 | 3,072 | 2,044 | 2,005 |  
                    | |  | 6. Payables to employees | 
 |  | 18,539 | 20,025 | 20,890 | 13,923 | 19,865 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 2,056 | 2,921 | 3,397 | 1,789 | 1,381 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 1,505 | 860 | 1,448 | 1,242 | 1,290 |  
                    | |  | 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 | 
 |  | 101,131 | 100,963 | 102,000 | 101,706 | 104,393 |  
                    | |  | 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 | 
 |  | 20,313 | 20,145 | 21,183 | 20,888 | 23,575 |  
                    | |  | 6. Borrowings and long-term financial leased liabilities | 
 |  | 80,817 | 80,817 | 80,817 | 80,817 | 80,817 |  
                    | |  | 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 | 
 |  | 969,975 | 941,835 | 947,539 | 949,641 | 939,370 |  
                    | |  | I. ShareHolder's equity | 
 |  | 969,975 | 941,835 | 947,539 | 949,641 | 939,370 |  
                    | |  | 1. Owner's investment capital | 
 |  | 419,798 | 419,798 | 419,798 | 419,798 | 419,798 |  
                    | |  | 2. Share capital surplus | 
 |  | 184,196 | 184,196 | 184,196 | 184,196 | 184,196 |  
                    | |  | 3. Bond conversion option | 
 |  |  |  |  |  |  |  
                    | |  | 4. Other owner's capital | 
 |  |  |  |  |  |  |  
                    | |  | 5. Treasury shares | 
 |  |  |  |  |  |  |  
                    | |  | 6. Differences upon asset revaluation | 
 |  |  |  |  |  |  |  
                    | |  | 7. Differences upon foreign exchange rate | 
 |  | -4,052 | -2,887 | -3,298 | -2,568 | -1,831 |  
                    | |  | 8. Investment and development funds | 
 |  |  |  |  |  |  |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  | 4,894 | 4,875 | 4,553 | 3,485 | 1,590 |  
                    | |  | 11. After tax undistributed profit | 
 |  | 353,431 | 323,915 | 330,127 | 332,197 | 322,856 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 361,695 | 361,663 | 361,663 | 331,477 | 310,508 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | -8,263 | -37,748 | -31,535 | 721 | 12,347 |  
                    | |  | 12. Investment capital resource for basic construction | 
 |  |  |  |  |  |  |  
                    | |  | 13. Assistance fund for arrangement of enterprises | 
 |  |  |  |  |  |  |  
                    | |  | 14. interest of shareholders who not control | 
 |  | 11,708 | 11,938 | 12,163 | 12,534 | 12,761 |  
                    | |  | II. Funding resources and other funds | 
 |  |  |  |  |  |  |  
                    | |  | 1. Funding resources | 
 |  |  |  |  |  |  |  
                    | |  | 2. Funding resources that form fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Retrenchment provision fund | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL CAPITAL RESOURCES | 
 |  | 1,310,602 | 1,263,550 | 1,285,210 | 1,265,243 | 1,261,301 |      
    There is no report. |  |