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v3.22.1

Summary of Significant Accounting Policies (Tables) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Accounting Policies [Abstract] |  |
Schedule of property and equipment useful lives |
|  | Estimated Life in Years
Buildings and leasehold improvements |  | 5 ~ 50
Machinery and equipment |  | 5 ~ 10
Office equipment |  | 3 ~ 6
|  | Estimated Life in Years
Buildings and leasehold improvements |  | 5 ~ 50
Machinery and equipment |  | 5 ~ 10
Office equipment |  | 3 ~ 6

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- Definition Tabular disclosure of property and equipment estimated useful life. + References No definition available. + Details
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- References No definition available. + Details
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