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Refundable Deposits from Customers for Systems Leasing	12 Months Ended
	Dec. 31, 2020
Refundable Deposit From Customers For Systems Leasing [Abstract]
REFUNDABLE DEPOSITS FROM CUSTOMERS FOR SYSTEMS LEASING	10. REFUNDABLE DEPOSITS FROM CUSTOMERS FOR SYSTEMS LEASING As of December 31, 2020 and 2019, the balance of refundable deposits from customers for systems leasing was $0 and $544,709 (for Pucheng systems), respectively.

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The entire disclosure for refundable deposit from customers for systems leasing.

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