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v3.19.1

Subsequent Events (Details) - USD ($) |  | 1 Months Ended |
--- | --- | --- | ---
Feb. 01, 2019 | Apr. 17, 2019 | Apr. 04, 2019 | Dec. 31, 2018
Subsequent Events (Textual) |  |  |  |
Restricted cash deposit |  |  |  | $ 467,806
Scenarios, Forecast [Member] |  |  |  |
Subsequent Events (Textual) |  |  |  |
Description of line of credit |  | The line of credit is available for the period from April 17, 2019 to April 8, 2020. |  |
Line of credit maximum amount |  | $ 1,454,440 |  |
Withdrew from line of credit |  | $ 647,338 |  |
Line of credit interest rate |  | 5.04% |  |
Line of credit due date |  | Apr. 18, 2020 |  |
Initial public offering ("IPO") [Member] | Scenarios, Forecast [Member] |  |  |  |
Subsequent Events (Textual) |  |  |  |
Ordinary shares issued |  |  | 1,750,000 |
Shares price |  |  | $ 5.00 |
Gross proceeds from IPO |  |  | $ 8,800,000 |
Aggregate ordinary shares issued and outstanding |  |  | 8,655,248 |
Powerbridge Zhuhai [Member] | Subsequent Event [Member] |  |  |  |
Subsequent Events (Textual) |  |  |  |
Loan payable | $ 436,332 |  |  |
Loan term | 1 year |  |  |
Fixed annual interest rate | 4.80% |  |  |
Restricted cash deposit | $ 65,450 |  |  |

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