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v3.22.4

Taxes - Reconciles PRC statutory rates (Details) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Taxes |  |  |
Statutory PRC income tax rate | 25.00% | 25.00% | 25.00%
Favorable tax rate impact | (17.00%) | (14.00%) | (11.00%)
Permanent difference and others | 1.00% | (5.00%) | 4.00%
Changes of deferred tax assets valuation allowances | (38.00%) | 0.00% | (22.00%)
Total | (29.00%) | 6.00% | (4.00%)

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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