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                    |  |  | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 259,728,446 | 302,730,495 | 287,465,943 | 259,860,077 | 387,915,470 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 17,179,976 | 20,621,483 | 28,990,635 | 21,492,706 | 48,671,892 |  
                    | |  | 1. Cash | 
 |  | 16,636,089 | 20,324,623 | 21,851,228 | 20,760,496 | 33,372,756 |  
                    | |  | 2. Cash equivalents | 
 |  | 543,887 | 296,860 | 7,139,407 | 732,210 | 15,299,136 |  
                    | |  | II. Short-term financial investments | 
 |  | 3,673,995 | 3,802,114 | 3,270,313 | 3,346,766 | 3,437,044 |  
                    | |  | 1. Trading securities | 
 |  |  |  | 1,500,000 | 1,500,000 | 1,500,000 |  
                    | |  | 2. Provision for diminution in value of trading securities | 
 |  |  |  |  |  |  |  
                    | |  | 3. Investments holding until maturity | 
 |  | 3,673,995 | 3,802,114 | 1,770,313 | 1,846,766 | 1,937,044 |  
                    | |  | III. Short-term receivables | 
 |  | 145,799,709 | 187,108,837 | 171,858,073 | 149,281,209 | 214,264,630 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 20,661,172 | 20,959,738 | 19,318,165 | 17,420,482 | 19,936,487 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 20,207,313 | 20,586,548 | 23,473,056 | 35,921,181 | 41,766,680 |  
                    | |  | 3. Short-term intercompany receivables | 
 |  |  |  |  |  |  |  
                    | |  | 4. Receivables according to the progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 5. Receivables on short-term loans | 
 |  | 1,468,250 | 10,503,541 | 17,220,112 | 440,996 | 14,857,073 |  
                    | |  | 6. Other short-term receivables | 
 |  | 103,697,020 | 135,278,955 | 112,050,675 | 95,932,740 | 138,097,513 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -234,046 | -219,945 | -203,935 | -434,190 | -393,123 |  
                    | |  | IV. Inventories | 
 |  | 58,659,923 | 57,981,046 | 48,723,136 | 55,672,832 | 80,555,168 |  
                    | |  | 1. Inventories | 
 |  | 58,712,830 | 58,034,209 | 48,780,704 | 55,730,707 | 80,629,689 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  | -52,907 | -53,163 | -57,568 | -57,875 | -74,521 |  
                    | |  | V. Other current assets | 
 |  | 34,414,843 | 33,217,015 | 34,623,786 | 30,066,564 | 40,986,736 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 1,936,780 | 2,160,205 | 1,175,078 | 1,271,865 | 1,291,768 |  
                    | |  | 2. Deductible VAT | 
 |  | 903,536 | 1,211,447 | 1,223,892 | 1,431,499 | 1,931,216 |  
                    | |  | 3. Taxes and the State Receivables | 
 |  | 41,173 | 41,134 | 53,793 | 53,616 | 114,469 |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  | 31,533,354 | 29,804,229 | 32,171,023 | 27,309,584 | 37,649,283 |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 233,721,916 | 221,953,857 | 273,258,247 | 301,643,481 | 265,891,354 |  
                    | |  | I. Long-term receivables | 
 |  | 66,453,120 | 49,668,379 | 100,341,453 | 123,489,415 | 80,145,195 |  
                    | |  | 1. Long-term customer's receivables | 
 |  |  |  |  |  |  |  
                    | |  | 2. Business capital in the subsidiary units | 
 |  |  |  |  |  |  |  
                    | |  | 3. Internal long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | 4. Receivables on long-term loans | 
 |  | 10,930,572 | 4,509,196 | 2,066,805 | 17,988,808 | 19,389,313 |  
                    | |  | 5. Other long-term receivables | 
 |  | 55,522,548 | 45,159,183 | 98,274,648 | 105,500,607 | 60,755,882 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 12,268,758 | 17,352,385 | 14,693,105 | 14,474,497 | 17,393,991 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 11,251,725 | 16,308,138 | 13,644,228 | 13,440,403 | 16,332,838 |  
                    | |  | - Cost | 
 |  | 13,203,825 | 19,128,384 | 16,056,176 | 16,099,592 | 18,860,783 |  
                    | |  | - Accumulated depreciation | 
 |  | -1,952,100 | -2,820,246 | -2,411,948 | -2,659,189 | -2,527,945 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  | 26,175 | 51,395 | 48,919 | 69,721 |  
                    | |  | - Cost | 
 |  |  | 26,809 | 53,805 | 54,034 | 75,977 |  
                    | |  | - Accumulated depreciation | 
 |  |  | -634 | -2,410 | -5,115 | -6,256 |  
                    | |  | 3. Intangible fixed assets | 
 |  | 1,017,033 | 1,018,072 | 997,482 | 985,175 | 991,432 |  
                    | |  | - Cost | 
 |  | 1,382,487 | 1,395,337 | 1,387,967 | 1,389,250 | 1,406,264 |  
                    | |  | - Accumulated depreciation | 
 |  | -365,454 | -377,265 | -390,485 | -404,075 | -414,832 |  
                    | |  | III. Real Estate Investments | 
 |  | 19,830,562 | 17,237,951 | 17,215,929 | 16,787,442 | 15,205,122 |  
                    | |  | - Cost | 
 |  | 21,928,035 | 19,315,830 | 19,461,538 | 19,157,102 | 17,652,232 |  
                    | |  | - Accumulated depreciation | 
 |  | -2,097,473 | -2,077,879 | -2,245,609 | -2,369,660 | -2,447,110 |  
                    | |  | IV. Long-term assets in progress | 
 |  | 73,553,798 | 80,363,229 | 83,690,530 | 83,199,793 | 77,716,306 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  | 73,553,798 | 80,363,229 | 83,690,530 | 83,199,793 | 77,716,306 |  
                    | |  | IV. Long-term financial investments | 
 |  | 10,374,902 | 9,736,355 | 12,849,279 | 12,502,754 | 12,495,673 |  
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  | 189,106 | 189,765 | 190,680 | 191,644 | 192,225 |  
                    | |  | 3. Other investments in equity instruments | 
 |  | 10,158,325 | 9,513,399 | 12,294,236 | 12,294,236 | 12,284,236 |  
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  |  |  |  |  |  |  
                    | |  | 5. Investments holding until maturity | 
 |  | 27,471 | 33,191 | 364,363 | 16,874 | 19,212 |  
                    | |  | V. Total other long-term assets | 
 |  | 50,681,573 | 47,074,830 | 43,986,074 | 50,745,423 | 62,566,262 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 2,611,669 | 2,701,347 | 2,870,273 | 2,827,698 | 3,765,271 |  
                    | |  | 2. Deferred income tax assets | 
 |  | 943,527 | 2,423,981 | 1,318,779 | 1,116,348 | 1,211,650 |  
                    | |  | 3. Other long-term assets | 
 |  | 47,126,377 | 41,949,502 | 39,797,022 | 46,801,377 | 57,589,341 |  
                    | |  | VI. Goodwills | 
 |  | 559,203 | 520,728 | 481,877 | 444,157 | 368,805 |  
                    | |  | TOTAL ASSETS | 
 |  | 493,450,362 | 524,684,352 | 560,724,190 | 561,503,558 | 653,806,824 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 286,518,100 | 308,718,618 | 340,281,150 | 338,107,549 | 423,301,025 |  
                    | |  | I. Current liabilities | 
 |  | 227,951,712 | 246,563,570 | 290,350,308 | 237,524,644 | 286,758,448 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 25,901,229 | 24,201,679 | 43,306,496 | 33,423,836 | 47,550,488 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 18,503,257 | 21,162,646 | 18,764,865 | 19,245,617 | 19,130,775 |  
                    | |  | 4. Advances from customers | 
 |  | 47,710,091 | 49,421,223 | 46,382,906 | 43,294,133 | 47,943,400 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 15,697,841 | 13,565,932 | 14,500,600 | 11,595,840 | 10,895,313 |  
                    | |  | 6. Payables to employees | 
 |  |  |  |  |  |  |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 36,308,970 | 42,455,479 | 40,647,510 | 35,317,736 | 38,141,730 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  | 492,491 | 493,810 | 430,261 | 416,056 | 306,978 |  
                    | |  | 11. Other short-term payables | 
 |  | 82,814,017 | 94,713,128 | 125,971,634 | 93,744,964 | 122,464,471 |  
                    | |  | 12. Provision for short term payables | 
 |  | 523,816 | 549,673 | 346,036 | 486,462 | 325,293 |  
                    | |  | 13. Bonus and welfare fund | 
 |  |  |  |  |  |  |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 58,566,388 | 62,155,048 | 49,930,842 | 100,582,905 | 136,542,577 |  
                    | |  | 1. Long-term payables to sellers | 
 |  |  |  |  |  |  |  
                    | |  | 2. Long-term accrued expenses | 
 |  | 611,614 | 432,377 | 315,965 | 326,934 | 456,253 |  
                    | |  | 3. Intercompany payables on business capital | 
 |  |  |  |  |  |  |  
                    | |  | 4. Long-term intra-company payables | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other long-term payables | 
 |  | 9,240,580 | 9,295,059 | 7,313,058 | 41,494,605 | 88,783,216 |  
                    | |  | 6. Borrowings and long-term financial leased liabilities | 
 |  | 44,599,750 | 47,969,250 | 37,985,689 | 54,525,866 | 42,850,814 |  
                    | |  | 7. Convertible bonds | 
 |  |  |  |  |  |  |  
                    | |  | 8. Deferred income tax payables | 
 |  | 1,313,542 | 1,623,862 | 1,445,872 | 1,504,190 | 1,891,041 |  
                    | |  | 9. Provision for job loss allowance | 
 |  |  |  |  |  |  |  
                    | |  | 10. Provision for long-term payables | 
 |  | 2,223,451 | 2,302,193 | 2,397,772 | 2,311,294 | 2,143,977 |  
                    | |  | 11. Long-term unrealized revenue | 
 |  | 577,451 | 532,307 | 472,486 | 420,016 | 417,276 |  
                    | |  | 12. Development fund of science and technology | 
 |  |  |  |  |  |  |  
                    | |  | B. OWNER'S EQUITY | 
 |  | 206,932,262 | 215,965,734 | 220,443,040 | 223,396,009 | 230,505,799 |  
                    | |  | I. ShareHolder's equity | 
 |  | 206,932,262 | 215,965,734 | 220,443,040 | 223,396,009 | 230,505,799 |  
                    | |  | 1. Owner's investment capital | 
 |  | 43,543,675 | 43,543,675 | 41,074,120 | 41,074,120 | 41,074,120 |  
                    | |  | 2. Share capital surplus | 
 |  | 1,260,023 | 1,260,023 | -6,755,610 | -6,755,610 | -6,755,610 |  
                    | |  | 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 | 
 |  | 1,111,316 | 1,111,316 | 1,111,316 | 1,111,316 | 1,116,316 |  
                    | |  | 11. After tax undistributed profit | 
 |  | 146,351,374 | 154,216,100 | 166,650,994 | 169,894,769 | 177,669,489 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 133,391,779 | 133,386,100 | 133,386,779 | 167,205,815 | 167,200,815 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 12,959,595 | 20,830,000 | 33,264,215 | 2,688,954 | 10,468,674 |  
                    | |  | 12. Investment capital resource for basic construction | 
 |  |  |  |  |  |  |  
                    | |  | 13. Assistance fund for arrangement of enterprises | 
 |  |  |  |  |  |  |  
                    | |  | 14. interest of shareholders who not control | 
 |  | 14,665,874 | 15,834,620 | 18,362,220 | 18,071,414 | 17,401,484 |  
                    | |  | II. Funding resources and other funds | 
 |  |  |  |  |  |  |  
                    | |  | 1. Funding resources | 
 |  |  |  |  |  |  |  
                    | |  | 2. Funding resources that form fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Retrenchment provision fund | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL CAPITAL RESOURCES | 
 |  | 493,450,362 | 524,684,352 | 560,724,190 | 561,503,558 | 653,806,824 |      
    There is no report. |  |