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RELATED PARTY TRANSACTIONS, Transactions (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Zhejiang RAP [Member]    
Material Related Party Transactions [Abstract]    
Interest income from a related party $ 13,434 $ 23,114
Bendon Limited [Member]    
Material Related Party Transactions [Abstract]    
Interest income from a related party 113,021 39,296
Jiangsu Rongyuan [Member]    
Material Related Party Transactions [Abstract]    
Purchase of raw materials from related parties 0 24,799
Hangzhou Hezhe Energy Technology Co., Ltd [Member]    
Material Related Party Transactions [Abstract]    
Purchase of raw materials from related parties 1,413,262 1,219,621
Payment on the purchase of the raw materials 1,015,036 2,027,483
Zhejiang Zhongchai [Member]    
Material Related Party Transactions [Abstract]    
Revenue from sales of equipment to a related party 119,963 0
Repayment of the advance operating fund from a related party 276,266 0
Shanghai Hengyu [Member]    
Material Related Party Transactions [Abstract]    
Consulting service provided by a related party 5,053 29,919
Shenzhen Yuanzheng [Member]    
Material Related Party Transactions [Abstract]    
Repayment interest-bearing Loan from a related party 395,523 0
Mr. Yeung Heung Yeung [Member]    
Material Related Party Transactions [Abstract]    
Repayment interest-bearing Loan from a related party 1,331,091 0
Interest expense on loans provided by related parties 2,532 132,000
Mr. Zhong Wei [Member]    
Material Related Party Transactions [Abstract]    
Interest expense on loans provided by related parties 0 6,039
Others [Member]    
Material Related Party Transactions [Abstract]    
Interest expense on loans provided by related parties $ 1,075 $ 40,005