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Bank Loans (Details) - USD ($)
1 Months Ended 12 Months Ended
Dec. 14, 2020
Nov. 05, 2020
Mar. 04, 2020
Jan. 09, 2020
Jan. 02, 2020
Feb. 01, 2019
Apr. 25, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Mar. 16, 2020
Bank Loans (Details) [Line Items]                      
Restricted cash deposits               $ 172,369    
Restricted cash deposit               114,943      
Interest expense               $ 203,289 $ 123,278 $ 19,385  
Weighted average interest rate               4.70% 4.90% 5.90%  
Powerbridge Zhuhai [Member]                      
Bank Loans (Details) [Line Items]                      
Obtain loan amount $ 306,514 $ 1,532,567 $ 459,770 $ 766,284 $ 2,298,851 $ 430,923 $ 1,149,095       $ 1,532,532
Term of loan 1 year 1 year 1 year 1 year 1 year 1 year 1 year        
Fixed annual interest 4.55% 4.5675% 4.55% 4.45% 4.60% 4.60%         5.003%