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Related Party Transactions and Balance (Details) |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 14, 2020 USD ($) | Jul. 01, 2018 USD ($) | Jul. 01, 2018 CNY (¥) | Mar. 15, 2018 USD ($) | Mar. 15, 2018 CNY (¥) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Related Party Transactions and Balance (Details) [Line Items] |  |  |  |  |  |  |  |
Purchases from related party |  |  |  |  |  | $ 75,653 | $ 656,840 |
Remaining loan balance |  |  |  |  |  |  |  | $ 0
Borrowed amount |  |  |  |  |  | 1,784,058 | 1,208,331 |
Principal amount |  |  |  |  |  | 33,178 |  |
Hangzhou Lianluo [Member] |  |  |  |  |  |  |  |
Related Party Transactions and Balance (Details) [Line Items] |  |  |  |  |  |  |  |
Purchases from related party |  |  |  |  |  | 44,614 | 42,000 | 204
Annual rental |  |  |  |  |  | 0 | $ 35,892 | $ 39,942
Outstanding rental payable to related party |  |  |  |  |  | 81,126 |  |
Borrowings loans description |  |  |  |  |  |  | the Company borrowed an aggregate of $942,500 from Hangzhou Lianluo and repaid $0. As of December 31, 2020, the loan balances were $996,450. These loans were extended, interest-free as of December 31, 2020 and without specific repayment date, which is based upon both parties’ agreement. | the Company borrowed from Hangzhou Lianluo $3,682,592 carrying an annual interest rate of 5%-8%, which was fully settled through a debt offset agreement among the Company, Hangzhou Lianluo and DGHKT as described below “iv) Borrowings to DGHKT.”
Hangzhou Lianluo [Member] |  |  |  |  |  |  |  |
Related Party Transactions and Balance (Details) [Line Items] |  |  |  |  |  |  |  |
Payable to Hangzhou Lianluo's subsidiary |  |  |  |  |  | 3,019 |  |
Mr. Ping Chen [Member] |  |  |  |  |  |  |  |
Related Party Transactions and Balance (Details) [Line Items] |  |  |  |  |  |  |  |
Sale of equipment |  |  |  |  |  |  | $ 9,588 |
Ownership interest |  |  |  |  |  | 51.00% |  |
Outstanding receivable |  |  |  |  |  | $ 11,455 |  |
Hangzhou Lianluo [Member] |  |  |  |  |  |  |  |
Related Party Transactions and Balance (Details) [Line Items] |  |  |  |  |  |  |  |
Annual rental |  | $ 84,447 | ¥ 580,788 |  |  |  |  |
Loaned amount |  |  |  | $ 6,000,000 |  |  |  |
Lease period |  |  |  | 12 years | 12 years |  |  |
Borrowed amount |  |  |  | $ 34,300,000 | ¥ 5,200,000 |  |  |
DGHKT [Member] |  |  |  |  |  |  |  |
Related Party Transactions and Balance (Details) [Line Items] |  |  |  |  |  |  |  |
Borrowed amount |  |  |  |  |  |  | 33,000 |
Repayment of the loan and related interest |  |  |  |  |  | 0 | 0 |
Principal amount | $ 33,000 |  |  |  |  |  |  |
Mr. Ping Chen [Member] |  |  |  |  |  |  |  |
Related Party Transactions and Balance (Details) [Line Items] |  |  |  |  |  |  |  |
Borrowed amount |  |  |  |  |  | 787,608 | 243,881 |
Borrowing from related party |  |  |  |  |  | $ 498,191 | 387,182 |
Borrowed debt |  |  |  |  |  |  | $ 143,301 |
Digital Grid Hong Kong Technology Co Limited [Member] |  |  |  |  |  |  |  |
Related Party Transactions and Balance (Details) [Line Items] |  |  |  |  |  |  |  |
Borrowings loans description |  |  |  | Pursuant to an agreement dated December 27, 2018, the Company, DGHKT, Hangzhou Lianluo agreed that the outstanding amount owed by DGHKT to the Company of RMB35.6 million be repaid by Hangzhou Lianluo on behalf of DGHKT, to the Company. This repayment is agreed to be settled in the form of offset against the amount owed by the Company to Hangzhou Lianluo of RMB35.6 million (approximately $5.2 million). | Pursuant to an agreement dated December 27, 2018, the Company, DGHKT, Hangzhou Lianluo agreed that the outstanding amount owed by DGHKT to the Company of RMB35.6 million be repaid by Hangzhou Lianluo on behalf of DGHKT, to the Company. This repayment is agreed to be settled in the form of offset against the amount owed by the Company to Hangzhou Lianluo of RMB35.6 million (approximately $5.2 million). |  |  |

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