SUMMARY OF PRINCIPAL ACCOUNTING POLICIES (Advances to Suppliers and Advances for Purchase of Property, Plant and Equipment and Intangible Assets) (Details) - USD ($)
Dec. 31, 2022
Dec. 31, 2021
SUMMARY OF PRINCIPAL ACCOUNTING POLICIES    
Advances to suppliers-current $ 1,016,895 $ 276,737
Prepaid rental fees $ 898,796 $ 706,693