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                    |  |  | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 1,480,623 | 1,329,566 | 1,272,862 | 1,170,493 | 1,083,782 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 232,732 | 247,861 | 272,449 | 301,122 | 134,352 |  
                    | |  | 1. Cash | 
 |  | 53,032 | 58,161 | 69,249 | 116,922 | 75,552 |  
                    | |  | 2. Cash equivalents | 
 |  | 179,700 | 189,700 | 203,200 | 184,200 | 58,800 |  
                    | |  | II. Short-term financial investments | 
 |  | 31,999 | 31,999 | 31,999 | 33,960 | 199,080 |  
                    | |  | 1. Trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  | 31,999 | 31,999 | 31,999 | 33,960 | 199,080 |  
                    | |  | III. Short-term receivables | 
 |  | 954,058 | 832,056 | 821,912 | 718,887 | 505,275 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 643,667 | 510,343 | 483,422 | 404,451 | 407,392 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 16,971 | 12,663 | 23,482 | 17,938 | 16,808 |  
                    | |  | 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 | 
 |  | 394,720 | 410,256 | 416,199 | 399,308 | 184,833 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -101,300 | -101,206 | -101,190 | -102,809 | -103,758 |  
                    | |  | IV. Inventories | 
 |  | 218,971 | 179,194 | 111,579 | 84,864 | 208,142 |  
                    | |  | 1. Inventories | 
 |  | 225,920 | 186,574 | 112,865 | 89,806 | 213,080 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  | -6,948 | -7,380 | -1,286 | -4,942 | -4,938 |  
                    | |  | V. Other current assets | 
 |  | 42,863 | 38,456 | 34,923 | 31,660 | 36,932 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 1,349 | 874 | 2,589 | 1,762 | 1,020 |  
                    | |  | 2. Deductible VAT | 
 |  | 41,514 | 37,568 | 32,314 | 29,897 | 35,897 |  
                    | |  | 3. Taxes and the State Receivables | 
 |  | 1 | 14 | 20 | 1 | 15 |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 235,597 | 229,166 | 225,700 | 221,096 | 215,608 |  
                    | |  | I. Long-term receivables | 
 |  | 5,894 | 3,359 | 6,156 | 6,156 | 5,826 |  
                    | |  | 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 | 
 |  | 5,894 | 3,359 | 6,156 | 6,156 | 5,826 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 121,158 | 116,825 | 112,534 | 108,704 | 104,609 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 85,230 | 82,264 | 79,340 | 76,876 | 74,138 |  
                    | |  | - Cost | 
 |  | 201,653 | 201,653 | 201,653 | 202,032 | 202,124 |  
                    | |  | - Accumulated depreciation | 
 |  | -116,423 | -119,389 | -122,313 | -125,156 | -127,987 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  | 35,928 | 34,561 | 33,194 | 31,827 | 30,471 |  
                    | |  | - Cost | 
 |  | 45,802 | 45,802 | 45,802 | 45,802 | 45,802 |  
                    | |  | - Accumulated depreciation | 
 |  | -9,874 | -11,241 | -12,608 | -13,974 | -15,330 |  
                    | |  | III. Real Estate Investments | 
 |  | 62,941 | 62,208 | 61,475 | 60,742 | 60,009 |  
                    | |  | - Cost | 
 |  | 103,327 | 103,327 | 103,327 | 103,327 | 103,327 |  
                    | |  | - Accumulated depreciation | 
 |  | -40,386 | -41,119 | -41,852 | -42,585 | -43,318 |  
                    | |  | IV. Long-term assets in progress | 
 |  | 31,339 | 33,851 | 33,851 | 33,905 | 34,358 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  | 231 |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  | 31,339 | 33,620 | 33,851 | 33,905 | 34,358 |  
                    | |  | IV. Long-term financial investments | 
 |  | 7,931 | 7,931 | 7,931 | 8,991 | 8,991 |  
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other investments in equity instruments | 
 |  | 18,731 | 18,731 | 18,731 | 18,731 | 18,731 |  
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  | -10,800 | -10,800 | -10,800 | -10,800 | -10,800 |  
                    | |  | 5. Investments holding until maturity | 
 |  |  |  |  | 1,060 | 1,060 |  
                    | |  | V. Total other long-term assets | 
 |  | 6,335 | 4,992 | 3,752 | 2,598 | 1,814 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 6,335 | 4,992 | 3,752 | 2,598 | 1,814 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 1,716,221 | 1,558,732 | 1,498,562 | 1,391,589 | 1,299,389 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 1,289,600 | 1,129,687 | 1,064,263 | 973,920 | 878,863 |  
                    | |  | I. Current liabilities | 
 |  | 1,270,726 | 1,111,058 | 1,046,985 | 955,594 | 860,264 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 140,000 | 90,500 | 56,000 |  |  |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 789,579 | 679,786 | 645,800 | 598,577 | 705,925 |  
                    | |  | 4. Advances from customers | 
 |  | 9,381 | 9,047 | 9,583 | 9,766 | 9,129 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 2,870 | 1,813 | 3,298 | 5,852 | 2,760 |  
                    | |  | 6. Payables to employees | 
 |  | 1,962 | 2,098 | 1,909 | 2,596 | 2,441 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 1,202 | 1,362 | 1,307 | 2,132 | 1,263 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 320,607 | 321,327 | 323,997 | 331,587 | 133,660 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 5,125 | 5,125 | 5,091 | 5,085 | 5,085 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 18,874 | 18,628 | 17,278 | 18,327 | 18,599 |  
                    | |  | 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 | 
 |  | 18,874 | 18,628 | 17,278 | 18,327 | 18,599 |  
                    | |  | 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 | 
 |  |  |  |  |  |  |  
                    | |  | 12. Development fund of science and technology | 
 |  |  |  |  |  |  |  
                    | |  | B. OWNER'S EQUITY | 
 |  | 426,620 | 429,045 | 434,298 | 417,669 | 420,527 |  
                    | |  | I. ShareHolder's equity | 
 |  | 424,697 | 427,122 | 432,375 | 415,745 | 418,603 |  
                    | |  | 1. Owner's investment capital | 
 |  | 154,403 | 154,403 | 154,403 | 154,403 | 154,403 |  
                    | |  | 2. Share capital surplus | 
 |  | 114,168 | 114,168 | 114,168 | 114,168 | 114,168 |  
                    | |  | 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 | 
 |  | 33,732 | 33,732 | 33,732 | 33,732 | 33,732 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  | 7,338 | 7,338 | 7,338 | 7,338 | 7,338 |  
                    | |  | 11. After tax undistributed profit | 
 |  | 36,518 | 38,642 | 44,543 | 26,507 | 30,442 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 32,993 | 33,370 | 33,372 | 5,318 | 25,685 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 3,525 | 5,271 | 11,170 | 21,189 | 4,757 |  
                    | |  | 12. Investment capital resource for basic construction | 
 |  |  |  |  |  |  |  
                    | |  | 13. Assistance fund for arrangement of enterprises | 
 |  |  |  |  |  |  |  
                    | |  | 14. interest of shareholders who not control | 
 |  | 78,537 | 78,838 | 78,191 | 79,597 | 78,519 |  
                    | |  | II. Funding resources and other funds | 
 |  | 1,923 | 1,923 | 1,923 | 1,923 | 1,923 |  
                    | |  | 1. Funding resources | 
 |  | 1,923 | 1,923 | 1,923 | 1,923 | 1,923 |  
                    | |  | 2. Funding resources that form fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Retrenchment provision fund | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL CAPITAL RESOURCES | 
 |  | 1,716,221 | 1,558,732 | 1,498,562 | 1,391,589 | 1,299,389 |      
    There is no report. |  |