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Property, Plant and Equipment (Details) - Schedule of depreciation is computed on straight-line basis over estimated useful lives of assets
3 Months Ended
Mar. 31, 2021
Permit Of Land Use [Member] | Minimum [Member]  
Property, Plant and Equipment (Details) - Schedule of depreciation is computed on straight-line basis over estimated useful lives of assets [Line Items]  
Estimated useful lives 40 years
Permit Of Land Use [Member] | Maximum [Member]  
Property, Plant and Equipment (Details) - Schedule of depreciation is computed on straight-line basis over estimated useful lives of assets [Line Items]  
Estimated useful lives 70 years
Building [Member] | Minimum [Member]  
Property, Plant and Equipment (Details) - Schedule of depreciation is computed on straight-line basis over estimated useful lives of assets [Line Items]  
Estimated useful lives 20 years
Building [Member] | Maximum [Member]  
Property, Plant and Equipment (Details) - Schedule of depreciation is computed on straight-line basis over estimated useful lives of assets [Line Items]  
Estimated useful lives 49 years
Property, Plant and Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment (Details) - Schedule of depreciation is computed on straight-line basis over estimated useful lives of assets [Line Items]  
Estimated useful lives 5 years
Property, Plant and Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment (Details) - Schedule of depreciation is computed on straight-line basis over estimated useful lives of assets [Line Items]  
Estimated useful lives 10 years
Motor Vehicle [Member] | Minimum [Member]  
Property, Plant and Equipment (Details) - Schedule of depreciation is computed on straight-line basis over estimated useful lives of assets [Line Items]  
Estimated useful lives 5 years
Motor Vehicle [Member] | Maximum [Member]  
Property, Plant and Equipment (Details) - Schedule of depreciation is computed on straight-line basis over estimated useful lives of assets [Line Items]  
Estimated useful lives 10 years
Office Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment (Details) - Schedule of depreciation is computed on straight-line basis over estimated useful lives of assets [Line Items]  
Estimated useful lives 3 years
Office Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment (Details) - Schedule of depreciation is computed on straight-line basis over estimated useful lives of assets [Line Items]  
Estimated useful lives 5 years