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Property, Plant and Equipment (Tables)
6 Months Ended
Jun. 30, 2022
Property, Plant and Equipment [Abstract]  
Schedule of property, plant and equipment
   June 30,   December 31, 
   2022   2021 
Permit of land use  $419,685   $441,783 
Building   9,745,742    10,258,885 
Plant, machinery and equipment   28,782,817    30,122,235 
Motor vehicle   320,499    337,375 
Office equipment   268,349    278,892 
Total   39,537,092    41,439,170 
Less: accumulated depreciation   (28,081,161)   (28,158,611)
Property, plant and equipment, net  $11,455,931   $13,280,559 

Schedule of estimated useful lives of the assets
Asset   Life - years
Permit of land use  40 - 70
Building  20 - 49
Plant, machinery and equipment  5 - 10
Motor vehicle  5 - 10
Office equipment  3-5