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v3.21.1

Lease (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) | Mar. 01, 2021 USD ($) | Mar. 01, 2021 CNY (¥)
ASU 2016-02 Transition [Abstract] |  |  |
Maturity date | Aug. 09, 2064 |  |
Owners lease period | 50 years |  |
Other income expense | $ (91,833) |  |
Interest income other | $ 26,637 |  |
Rental payment per month |  | $ 11,162 | ¥ 73,143

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