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SHORT-TERM LOANS (Details)
3 Months Ended
Aug. 29, 2023
USD ($)
Aug. 29, 2023
CNY (¥)
Jul. 24, 2023
USD ($)
Jul. 24, 2023
CNY (¥)
Jun. 14, 2023
USD ($)
Jun. 14, 2023
CNY (¥)
Feb. 14, 2022
USD ($)
Feb. 14, 2022
CNY (¥)
Jun. 30, 2022
USD ($)
Jun. 30, 2022
CNY (¥)
Dec. 31, 2022
Aug. 31, 2022
May 31, 2022
May 13, 2021
USD ($)
May 13, 2021
CNY (¥)
SHORT-TERM LOANS                              
Loan repaid $ 183 ¥ 1,300 $ 563 ¥ 4,000 $ 2,113 ¥ 15,000                  
LOC from China Construction Bank                              
SHORT-TERM LOANS                              
Maximum borrowing capacity under the LOC                           $ 144,955 ¥ 1,000,000
Interest rate (as a percent)                       3.95% 4.20% 4.2525% 4.2525%
Amount borrowed             $ 144,955 ¥ 1,000,000              
Loan from unrelated individual                              
SHORT-TERM LOANS                              
Interest rate (as a percent)                     4.2525%        
Amount borrowed                 $ 227,724 ¥ 1,571,000