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Bank Loan (Details Textual) - USD ($) |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Dec. 07, 2018 | Dec. 03, 2018 | Oct. 08, 2018 | Mar. 02, 2018 | Apr. 30, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Bank Loan (Textual) |  |  |  |  |  |  |  |
Bank loan |  |  |  |  |  | $ 1,527,162 | $ 230,507 |
Restricted cash deposit |  |  |  |  |  | 467,806 |  |
Interest expense |  |  |  |  |  | 19,385 | 13,111 | $ 3,665
Scenarios, Forecast [Member] |  |  |  |  |  |  |  |
Bank Loan (Textual) |  |  |  |  |  |  |  |
Repaid in aggregate amount |  |  |  |  | $ 58,178 |  |  |
China Construction Bank [Member] |  |  |  |  |  |  |  |
Bank Loan (Textual) |  |  |  |  |  |  |  |
Bank loan |  |  |  |  |  |  | $ 230,507 |
Annual interest rate |  |  |  |  |  |  | 6.30% |
Maturity date |  |  |  |  |  |  | Jan. 31, 2018 |
China Construction Bank [Member] | Powerbridge Zhuhai [Member] |  |  |  |  |  |  |  |
Bank Loan (Textual) |  |  |  |  |  |  |  |
Bank loan |  |  |  | $ 218,166 |  |  |  |
Annual interest rate |  |  |  | 7.40% |  |  |  |
Maturity date |  |  |  | Mar. 04, 2019 |  |  |  |
Bank of Communication [Member] | Powerbridge Zhuhai [Member] |  |  |  |  |  |  |  |
Bank Loan (Textual) |  |  |  |  |  |  |  |
Bank loan |  |  | $ 290,888 |  |  |  |  |
Annual interest rate |  |  | 5.40% |  |  |  |  |
Loan term |  |  | 1 year |  |  |  |  |
Bank of China [Member] | Powerbridge Zhuhai [Member] |  |  |  |  |  |  |  |
Bank Loan (Textual) |  |  |  |  |  |  |  |
Bank loan | $ 727,220 |  |  |  |  |  |  |
Annual interest rate | 5.20% |  |  |  |  |  |  |
Loan term | 1 year |  |  |  |  |  |  |
Restricted cash deposit |  |  |  |  |  | $ 109,083 |  |
Dongguan Bank [Member] | Powerbridge Zhuhai [Member] |  |  |  |  |  |  |  |
Bank Loan (Textual) |  |  |  |  |  |  |  |
Bank loan |  | $ 290,888 |  |  |  |  |  |
Annual interest rate |  | 7.00% |  |  |  |  |  |
Loan term |  | 1 year |  |  |  |  |  |
Account receivable |  | $ 847,696 |  |  |  |  |  |

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