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Inventories (Details) - Schedule of inventories - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Schedule of inventories [Abstract]    
Raw materials $ 253,613 $ 645,002
Work in process 23,758 146,345
Finished goods 14,523 195,586
Total 291,894 986,933
Inventory write-down (42,241) (518,119)
Translation adjustments (2,408) 4,402
Inventories, net $ 247,245 $ 473,216