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Intangible Assets, net (Details) - Schedule of intangible assets - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Schedule of intangible assets [Abstract]    
Computer software at cost $ 108,801 $ 108,560
Sewage discharge permit [1] 1,919,970 1,915,740
Intangible assets, gross 2,028,771 2,024,300
Accumulated amortization (194,420) (62,561)
Intangible assets, net $ 1,834,351 $ 1,961,739
[1] The Company has not yet obtained the ownership of sewage discharge permit in its Zhejiang manufacturing facilities with a carrying amount of $1,898,675 as of December 31, 2021. The sewage discharge permit was registered under the name of New Era (note 11). The Company has obtained a five years sewage discharge permit on January 27, 2022.