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Property and Equipment
 3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment [Abstract]    
PROPERTY AND EQUIPMENT

4. PROPERTY  AND EQUIPMENT

 

Property and equipment as of March 31, 2023 and December 31, 2022 are summarized as follows:

 

   March 31,
2023		   December 31,
2022		 
   (Unaudited)    
Land  $364,527   $361,193 
Buildings and leasehold improvements   2,227,803    2,226,687 
Machinery and equipment   1,117,813    1,116,789 
Office equipment   175,314    173,766 
    3,885,457    3,878,435 
Less: accumulated depreciation   (3,313,879)   (3,304,457)
Property and equipment, net  $571,578   $573,978 

 

Depreciation expenses were $6,493 and $5,411 for three months ended March 31, 2023 and 2022, respectively.

5. PROPERTY AND EQUIPMENT

 

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

 

   December 31,
2022		   December 31,
2021		 
Land  $361,193   $400,091 
Buildings and leasehold improvements   2,226,687    2,235,061 
Machinery and equipment   1,116,789    1,013,376 
Office equipment   173,766    191,824 
    3,878,435    3,840,352 
Less: accumulated depreciation   (3,304,457)   (3,314,471)
Property and equipment, net  $573,978   $525,881 

 

Depreciation expense were $23,799 and $11,993 for the years ended December 31, 2022 and 2021, respectively. As of December 31, 2022 and 2021, Land with book value amounted to approximately $361,193 and $400,091, respectively, were pledged for obtaining bank loan (see Notes 8 Bank loans).