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Inventories (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
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Inventory Disclosure [Abstract] |  |
Raw materials | $ 25,985 | $ 27,638
Work in progress | 779 | 902
Finished goods | 1,060,615 | 1,320,562
Total inventories | 1,087,379 | 1,349,102
Less: inventory impairment loss | (2,363) |
Inventories, net | $ 1,085,016 | $ 1,349,102

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