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Concentration and Major Customers and Suppliers | 9 Months Ended
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Sep. 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 and nine months ended September 30, 2021, the Company had no single customer contributed over 10% of total sales. For the three and nine months ended September 30, 2020, the Company had no single customer contributed over 10% of total sales. For the three months ended September 30, 2021, the Company had three major suppliers accounted for 74%, 12% and 5% of total purchases. For the three months ended September 30, 2020, the Company had three major suppliers accounted for 75%, 11% and 3% of total purchases. For the nine months ended September 30, 2021, the Company had two major suppliers accounted for 78% and 11% of total purchases. For the nine months ended September 30, 2020, the Company had three major suppliers accounted for 74%, 11% and 4% of total purchases.

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