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Lease (Tables)

6 Months Ended

Jun. 30, 2021

Lease [Abstract]

Schedule of right-of-use assets

		Prepaid land lease
		payments
Balance as of January 1, 2021		$	7,500,780
Amortization charge for the period			(86,802	)
Foreign exchange adjustment			81,114
Balance as of June 30, 2021		$	7,495,092

Schedule of net investment in sales-type leases

		December 31,				June 30,
		2020				2021
Total future minimum lease payments receivable		$	1,210,305			$	2,036,355
Less: unearned income, representing interest			(124,653	)			(156,263	)
Present value of minimum lease payments receivables			1,085,652				1,880,092
Less: Current portion			(235,245	)			(749,703	)
Non-current portion		$	850,407			$	1,130,389

Schedule of future minimum lease payments receivable for sales type leases

12 months ending June 30,		Total Minimum Lease Payments to be Received				Amortization of Unearned Income				Net Investment in Sales Type Leases
2022		$	839,192			$	89,489			$	749,703
2023			672,591				52,445				620,146
2024			524,572				14,329				510,243
2025			-				-				-
2026			-				-				-
Thereafter			-				-				-
			2,036,355				156,263				1,880,092

Schedule of maturities of lease liabilities

		Operating leases
12 months ending June 30,
2022		$	1,275,989
2023			833,612
2024			-
2025			-
Thereafter			-
Total undiscounted cash flows			2,109,601
Less: imputed interest			(141,408	)
Present value of lease liabilities		$	1,968,193

Schedule of lease term and discount rate

Lease term and discount rate
		June 30, 2021
Weighted-average remaining lease term - years			2.69
Weighted-average discount rate (%)			6.175	%

Schedule of operating lease expenses

		Three months ended June 30,								Six months ended June 30,
		2020				2021				2020				2021

Operating lease cost – straight line			-				104,067				-				114,119
Total lease expense			-				104,067			$	-			$	114,119