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Refundable Deposits from Customers for Systems Leasing | 6 Months Ended
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Jun. 30, 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 June 30, 2020 and December 31, 2019, the balance of refundable deposits from customers for systems leasing was $0 and $544,709 (for Pucheng systems), respectively.

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