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Inventory
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
INVENTORY

4. INVENTORY

 

Inventory consists of the following:

 

   December 31,
2021
   December 31,
2020
 
         
Finished goods  $96,725   $100,967 
Work-in-process   
-
    22,038 
Raw materials   84,620    61,718 
Allowance for inventory valuation and obsolescence loss   (155,370)   (184,723)
Inventory, net  $25,975   $
-