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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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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

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