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Inventory (Details) - Schedule of inventory - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Schedule of inventory [Abstract]      
Finished goods $ 104,036 $ 96,725 $ 100,967
Raw materials 69,287 84,620 61,718
Allowance for inventory valuation and obsolescence loss (150,623) (155,370) $ (184,723)
Inventory, net $ 22,700 $ 25,975