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v3.21.1

Summary of Significant Accounting Policies and Practices (Details Textual) | 12 Months Ended
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Dec. 31, 2020
Summary of Significant Accounting Policies and Practices (Textual) |
Income tax, percentage | 50.00%
Land Use Rights [Member] |
Summary of Significant Accounting Policies and Practices (Textual) |
Estimated useful lives of the assets | 50 years

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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