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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Accounting Policies [Abstract]  
Schedule of Estimated Useful Life of Property Plant and Equipment

Depreciation and amortization of property and equipment is provided using the straight-line method over their expected useful lives, as follows:

 

    Useful life
Buildings   20 years
Machinery and equipment   10 years
Office and electric equipment   3 years
Schedule of Finite Lived Intangible Assets

They have a finite life and are carried at cost less any accumulated amortization and any impairment losses.

 

    Useful life
Land use right   50 years
Patents   10 years
Schedule of Currency Exchange Rates

The following table outlines the currency exchange rates that were used in creating the consolidated financial statements in this report:

 

    December 31
2020
  December 31,
2019
Year-end spot rate   US$1=RMB 6.5250   US$1=RMB 6.9618
Average rate   US$1=RMB 6.9042   US$1=RMB 6.9081