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Property and Equipment
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Property, Plant and Equipment [Abstract]    
PROPERTY AND EQUIPMENT

5. PROPERTY AND EQUIPMENT

 

Property and equipment as of March 31, 2022 and December 31, 2021 are summarized as follows:

 

   March 31,
2022		   December 31,
2021		 
   (Unaudited)     
Land  $387,866   $400,091 
Buildings and leasehold improvements   2,230,968    2,235,061 
Machinery and equipment   1,102,943    1,013,376 
Office equipment   186,149    191,824 
    3,907,926    3,840,352 
Less: accumulated depreciation   (3,309,278)   (3,314,471)
Property and equipment, net  $598,648   $525,881 

 

Depreciation expenses were $5,411 and $2,928 for three months ended March 31, 2022 and 2021, respectively.

5. PROPERTY AND EQUIPMENT

 

Property and equipment as of December 31, 2021 and 2020 are summarized as follows:

 

    December 31,
2021		     December 31,
2020		  
Land   $ 400,091     $ 395,645  
Buildings and leasehold improvements     2,235,061       2,233,573  
Machinery and equipment     1,013,376       994,544  
Office equipment     191,824       189,760  
      3,840,352       3,813,522  
Less: accumulated depreciation     (3,314,471 )     (3,298,688 )
Property and equipment, net   $ 525,881     $ 514,834  

 

Depreciation expense were $11,993 and $37,142 for the year ended December 31, 2021 and 2020, respectively.