Accounts Payable, Other Payable and Accrued Expenses - Schedule of Accounts Payable and Accrued Liabilities (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Accounts payable	$ 412,601	$ 479,958
Salary payable	324,932	320,549
Social security insurance contribution payable	103,191	49,167
Other payable-related party (see Note 8)	48,290	95,616
Deposit on subscription of a subsidiary’s share	154,800	153,260
Accrued expense-construction	5,429,903	3,537,644
Accrued expense-others	597,990	445,507
Total	$ 7,071,707	$ 5,081,701

Amount of accrued expenses for construction activities.

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Obligations incurred through that date for deposits on subscription of subsidiary's share of expenses. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of obligations incurred classified as other, payable within one year or the normal operating cycle, if longer.

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Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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Amount of obligations incurred for employer-related costs classified as other, payable within one year or the normal operating cycle, if longer.

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