INVESTMENT IN UNCONSOLIDATED ENTITY, NET (Details) - Jun. 30, 2026 |
CNY (¥) |
USD ($) |
|---|---|---|
| INVESTMENT IN UNCONSOLIDATED ENTITY, NET | ||
| Investment in unconsolidated entity - Initial cost | ¥ 1,824,974 | $ 268,968 |
| Investment in unconsolidated entity, net | ¥ 1,824,974 | $ 268,968 |