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Earnings(loss) per share (Details Narrative) - ¥ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 28, 2017
Dec. 18, 2014
Dec. 17, 2014
Statement [Line Items]            
Weighted Average Number Of Shares Outstanding In The Year 1,002,201,016 1,001,575,455 1,001,046,568      
American Depository Share [member]            
Statement [Line Items]            
Common Stock, Recevable Shares       48 16 4
Common Stock, Par Value           ¥ 0.00005