| Summary of information regarding consolidated VIEs |
| | | | | | | | | | | | June 30, 2025 | | June 30, 2026 | | June 30, 2026 | | | RMB | | RMB | | US Dollars | ASSETS | | | | | | | | | | Current Assets | | | | | | | | | | Cash | | ¥ | 8,486,745 | | ¥ | 10,138,380 | | $ | 1,494,212 | Restricted cash | | | 8,204 | | | 104 | | | 15 | Short-term investments | | | — | | | 9,005,007 | | | 1,327,174 | Notes receivable | | | — | | | 200,000 | | | 29,476 | Accounts receivable, net | | | 35,852,484 | | | 46,142,449 | | | 6,800,555 | Inventories, net | | | 1,344,588 | | | 1,330,874 | | | 196,147 | Other receivables, net | | | 4,844,928 | | | 4,518,166 | | | 665,895 | Loans to third parties-short term | | | 21,753,233 | | | 24,355,040 | | | 3,589,489 | Purchase advances, net | | | 130,531 | | | 323,029 | | | 47,609 | Contract costs, net | | | 53,547,408 | | | 25,059,648 | | | 3,693,335 | Prepaid expenses | | | 37,276 | | | 430,287 | | | 63,415 | Prepaid consideration for acquisition of noncontrolling interest | | | — | | | 1,950,000 | | | 287,394 | Total current assets | | | 126,005,397 | | | 123,452,984 | | | 18,194,716 | | | | | | | | | | | Property and equipment, net | | | 19,961,664 | | | 17,099,196 | | | 2,520,110 | Investment in unconsolidated entity | | | — | | | 1,824,974 | | | 268,968 | Loans to third parties-long term | | | 18,500,000 | | | 18,500,000 | | | 2,726,563 | Operating lease right-of-use assets, net - non-current | | | 4,450,450 | | | 7,216,333 | | | 1,063,556 | Total Assets | | ¥ | 168,917,511 | | ¥ | 168,093,487 | | $ | 24,773,913 | | | | | | | | | | | LIABILITIES | | | | | | | | | | Short-term bank loans | | ¥ | 11,582,336 | | ¥ | 11,306,258 | | $ | 1,666,336 | Accounts payable | | | 12,113,970 | | | 17,111,286 | | | 2,521,891 | Other payables | | | 3,709,852 | | | 1,720,077 | | | 253,508 | Other payable- related parties | | | 2,906,544 | | | 649,559 | | | 95,733 | Contract liabilities | | | 4,719,255 | | | 1,669,736 | | | 246,089 | Contract liabilities- related parties | | | — | | | 400,000 | | | 58,953 | Accrued payroll and employees’ welfare | | | 2,129,242 | | | 4,003,960 | | | 590,111 | Intercompany payables* | | | 265,588,956 | | | 248,493,705 | | | 36,623,440 | Taxes payable | | | 795,629 | | | 1,422,658 | | | 209,674 | Short-term borrowings - related parties | | | 10,017,250 | | | 20,033,917 | | | 2,952,634 | Operating lease liabilities - current | | | 1,761,231 | | | 2,924,605 | | | 431,033 | Total current liabilities | | | 315,324,265 | | | 309,735,761 | | | 45,649,402 | | | | | | | | | | | Operating lease liabilities - non-current | | | 1,081,827 | | | 3,291,220 | | | 485,066 | Long-term borrowings - related party | | | 10,000,000 | | | — | | | — | Total Liabilities | | ¥ | 326,406,092 | | ¥ | 313,026,981 | | $ | 46,134,468 |
* | Intercompany payables are eliminated upon consolidation. |
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