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Advances to Suppliers | 12 Months Ended
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Dec. 31, 2019
Disclosure Text Block Supplement [Abstract] |
Other Current Assets [Text Block] | Note 6 - Advances to Suppliers The Company makes advances to certain vendors for inventory purchases. The advances on inventory purchases were $27,745,184 and $9,545,489 as of December 31, 2019 and 2018, respectively. No impairment charges were made on advances to suppliers for the years ended December 31, 2019 and 2018.

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