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Bank Borrowings (Details) - Schedule of banking facilities and aggregate carrying amount - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Schedule of banking facilities and aggregate carrying amount [Abstract]      
Buildings $ 31,877 $ 22,732 $ 22,414
Machinery and equipment 17,835 19,297 20,936
Land use rights 4,466 2,789 2,672
Total $ 54,178 $ 44,818 $ 46,022