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BANK LOANS - Short-term bank loans (Details) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Jun. 30, 2024 CNY (¥)
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BANK LOANS |  |  |
Total short-term bank loans | ¥ 11,582,636 | $ 1,586,815 | ¥ 12,425,959
Bank of Kunlun |  |  |
BANK LOANS |  |  |
Total short-term bank loans |  |  | 843,487
Industry and Commercial Bank of China ("ICBC") |  |  |
BANK LOANS |  |  |
Total short-term bank loans | 10,000,000 | 1,369,994 | 10,000,000
China Construction Bank |  |  |
BANK LOANS |  |  |
Total short-term bank loans | 1,106,212 | 151,550 | 1,106,091
Industry and Commercial Bank of China ("ICBC") |  |  |
BANK LOANS |  |  |
Total short-term bank loans | ¥ 476,424 | $ 65,271 | ¥ 476,381

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