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Lease (Details) - Schedule of lease term and discount rate	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Weighted-average remaining lease term
Land use rights	38 years 8 months 12 days	38 years 10 months 24 days
Operating leases	2 years 3 months 25 days	2 years 3 months 25 days
Weighted-average discount rate
Land use rights
Operating leases	5.39%	5.88%

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The weighted average remaining lease term land use rights.

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The weighted average remaining lease term operating leases.

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Weighted average discount rate for finance lease calculated at point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
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Weighted average discount rate for operating lease calculated at point in time.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980

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-Publisher FASB
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971

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