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Taxes (Details) - Schedule of reconciles china statutory rates to the company’s effective tax rate
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Schedule Of Reconciles China Statutory Rates To The Company SEffective Tax Rate Abstract      
China statutory income tax rate 25.00% 25.00% 25.00%
Preferential tax rate in China (2.60%) (14.00%) 8.30%
Tax rate difference outside China [1] (18.00%) (7.00%) (35.90%)
Change in valuation allowance (9.90%) 4.70% (0.40%)
Additional R&D deduction in China (0.30%) (8.50%) 2.00%
Permanent difference 6.80% 0.10% (1.00%)
Effective tax rate 1.00% 0.30% (2.00%)
[1] It is mainly due to the lower tax rate of the entities incorporated in Hong Kong, Singapore, and tax exempt in Cayman Islands.