v3.26.3
BANK LOANS - Short-term bank loans (Details)
Jun. 30, 2026
CNY (¥)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
CNY (¥)
BANK LOANS      
Total short-term bank loans ¥ 11,306,258 $ 1,666,336 ¥ 11,582,336
Industry and Commercial Bank of China ("ICBC")      
BANK LOANS      
Total short-term bank loans     10,000,000
China Construction Bank      
BANK LOANS      
Total short-term bank loans     1,106,009
Industry and Commercial Bank of China ("ICBC") Two      
BANK LOANS      
Total short-term bank loans     ¥ 476,327
Industry and Commercial Bank of China ("ICBC") Three      
BANK LOANS      
Total short-term bank loans 10,000,000 1,473,818  
China Construction Bank Two      
BANK LOANS      
Total short-term bank loans 1,106,105 163,019  
Industry and Commercial Bank of China ("ICBC") Four      
BANK LOANS      
Total short-term bank loans ¥ 200,153 $ 29,499