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Summary of significant accounting policies (Details Narrative) - CNY (¥)
¥ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2010
Statement [Line Items]        
Net Loss ¥ (128.1)      
Receivables Allowance ¥ 119.1      
Intangible Assets Estimated Useful Life 5 years      
Ownership Percentage Description financial support letter from Hubei New Nature Investment Co., Ltd, a company that is 80.8% owned by the Chairman and the Chief Executive Officer, Mr. Wei, and from Dunxin Holdings Co., Ltd, a company that is 70% owned by the Chairman and the Chief Executive Officer, Mr. Wei, which have expressed the willingness and intention to provide the necessary financial support to the Company      
PRC [Member]        
Statement [Line Items]        
Interest And Fee Income 6.00%      
Equity Incentive Plan [member]        
Statement [Line Items]        
Common Stock, Shares Issued   1,069,615 269,252 23,200,000