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Concentration and Major Customers and Suppliers | 6 Months Ended
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Jun. 30, 2021
Concentration And Major Customers And Suppliers [Abstract] |
Concentration and Major Customers and Suppliers | (19) Concentration and Major Customers and Suppliers For the three months ended June 30, 2021, the Company had no single customer contributed over 10% of total sales. For the three months ended June 30, 2020, the Company had no single customer contributed over 10% of total sales. For the three months ended June 30, 2021, the Company had three major suppliers accounted for 79%, 10% and 3% of total purchases. For the three months ended June 30, 2020, the Company had four major suppliers accounted for 74%, 11%, 4% and 3% of total purchases. For the six months ended June 30, 2021, the Company had three major suppliers accounted for 80%, 10% and 2% of total purchases. For the six months ended June 30, 2020, the Company had four major suppliers accounted for 73%, 11%, 4% and 4% of total purchases.

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