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Inventory (Tables)
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of inventory
   December 31,
2020
   December 31,
2019
 
         
Finished goods  $100,967   $94,727 
Work-in-process   22,038    20,676 
Raw materials   61,718    57,904 
Allowance for inventory valuation and obsolescence loss   (184,723)   (173,307)
Inventory, net  $-   $-