PURCHASE ADVANCES, NET (Details) |
Jun. 30, 2026
CNY (¥)
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
CNY (¥)
|
|---|---|---|---|
| PURCHASE ADVANCES, NET | |||
| Prepayment for construction | ¥ 57,434,827 | $ 8,464,846 | ¥ 14,489,026 |
| Prepayment for others | 534,670 | 78,801 | 380,358 |
| Allowance for doubtful accounts | (211,641) | (31,192) | (249,828) |
| Purchase advance, net | ¥ 57,757,856 | $ 8,512,455 | ¥ 14,619,556 |