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v3.21.1

Summary of Significant Accounting Policies (Details) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Feb. 27, 2020 USD ($) | Feb. 27, 2020 CNY (¥) | Dec. 31, 2020 USD ($) $ / shares | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 USD ($) | Dec. 31, 2020 ¥ / shares
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |
Total price | $ 85,714 | ¥ 600,000 |  |  |  |
Number of operating segments |  |  | 5 | 5 |  |
Increase in bad debt expense |  |  | $ 3,360,000 |  | $ 5,160,000 |
Accounts receivables |  |  | 0 |  | 4,954 |
General and administration expenses |  |  | 5,217 |  | 2,886 |
Depreciation expense |  |  | $ 0 |  | $ 0 |
Exchange rate per share | (per share) |  |  | $ 6.98 |  |  | ¥ 6.52
Average exchange rates per share | (per share) |  |  | $ 6.90 |  |  | ¥ 6.90
Variable interest entities agreement, term |  |  | 10 years | 10 years |  |
Minimum [Member] |  |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |
Property and equipment ranges |  |  | 3.00% |  |  |
Maximum [Member] |  |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |
Property and equipment ranges |  |  | 5.00% |  |  |
GlobalKey Supply Chain Co [Member] |  |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |
Transfer price (in Dollars per share) | $ / shares |  |  | $ 0 |  |  |
RMB [Member] |  |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |
Government subsidies recognized (in Yuan Renminbi) | ¥ |  |  |  | ¥ 500,000 |  |

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