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Inventory
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
INVENTORY

4. INVENTORY

 

Inventory consists of the following:

 

   June 30,
2021
   December 31,
2020
 
   (Unaudited)     
Finished goods  $101,534   $100,967 
Work-in-process   22,162    22,038 
Raw materials   62,065    61,718 
Allowance for inventory valuation and obsolescence loss   (185,761)   (184,723)
Inventory, net  $
-
   $
-