BANK LOANS - Short-term bank loans - Narrative (Details) |
12 Months Ended | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 11, 2026
CNY (¥)
|
Jun. 11, 2026
USD ($)
|
Jun. 06, 2026
CNY (¥)
|
Jun. 06, 2026
USD ($)
|
Jun. 02, 2026
CNY (¥)
|
Jun. 02, 2026
USD ($)
|
Jun. 18, 2025
CNY (¥)
|
Jun. 18, 2025
USD ($)
|
Jun. 03, 2025
CNY (¥)
|
Jun. 30, 2026
CNY (¥)
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
CNY (¥)
|
Jun. 30, 2024
CNY (¥)
|
Jun. 06, 2026
USD ($)
|
Jun. 02, 2026
USD ($)
|
May 15, 2026
CNY (¥)
|
May 15, 2026
USD ($)
|
Jun. 03, 2025
USD ($)
|
|
| BANK LOANS | ||||||||||||||||||
| Proceeds from debt | ¥ 15,305,000 | $ 2,255,678 | ¥ 10,476,000 | ¥ 11,581,000 | ||||||||||||||
| Interest expense on bank loan | ¥ 312,841 | $ 46,107 | ¥ 343,159 | ¥ 332,881 | ||||||||||||||
| Industry and Commercial Bank of China ("ICBC") | Revolving loan facility | ||||||||||||||||||
| BANK LOANS | ||||||||||||||||||
| Proceeds from debt | ¥ 10,000,000 | $ 1,473,818 | ||||||||||||||||
| Term of debt | 1 year | 1 year | ||||||||||||||||
| Collateral value of debt | ¥ 17,000,000 | $ 2,400,000 | ||||||||||||||||
| China Construction Bank | Revolving loan facility | ||||||||||||||||||
| BANK LOANS | ||||||||||||||||||
| Term of debt | 12 months | |||||||||||||||||
| Face amount of debt | ¥ 1,105,000 | $ 162,857 | ||||||||||||||||
| Interest rate (as a percent) | 3.65% | 3.65% | ||||||||||||||||
| Industry and Commercial Bank of China ("ICBC") Two | Revolving loan facility | ||||||||||||||||||
| BANK LOANS | ||||||||||||||||||
| Proceeds from debt | ¥ 476,000 | $ 70,154 | ||||||||||||||||
| Term of debt | 360 days | 360 days | ||||||||||||||||
| Interest rate (as a percent) | 2.75% | 2.75% | ||||||||||||||||
| Industry and Commercial Bank of China ("ICBC") Three | Revolving loan facility | ||||||||||||||||||
| BANK LOANS | ||||||||||||||||||
| Proceeds from debt | ¥ 10,000,000 | $ 1,473,818 | ||||||||||||||||
| Term of debt | 1 year | 1 year | ||||||||||||||||
| Collateral value of debt | ¥ 17,000,000 | $ 2,500,000 | ||||||||||||||||
| China Construction Bank Two | Revolving loan facility | ||||||||||||||||||
| BANK LOANS | ||||||||||||||||||
| Face amount of debt | ¥ 1,105,000 | $ 162,857 | ||||||||||||||||
| Interest rate (as a percent) | 3.60% | 3.60% | ||||||||||||||||
| Industry and Commercial Bank of China ("ICBC") Four | Revolving loan facility | ||||||||||||||||||
| BANK LOANS | ||||||||||||||||||
| Proceeds from debt | ¥ 200,000 | $ 29,476 | ||||||||||||||||
| Term of debt | 360 days | 360 days | ||||||||||||||||
| Interest rate (as a percent) | 2.75% | 2.75% | ||||||||||||||||