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Risks and Uncertainties (Details Narrative) - CNY (¥)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Revenue Benchmark [Member] | Customer One [Member]    
Concentration risk, percentage 17.80% 16.70%
Revenue Benchmark [Member] | Customer Two [Member]    
Concentration risk, percentage 15.90% 16.60%
Revenue Benchmark [Member] | Customer Three [Member]    
Concentration risk, percentage 14.60% 13.10%
Revenue Benchmark [Member] | Customer Four [Member]    
Concentration risk, percentage 12.70% 12.60%
Revenue Benchmark [Member] | Customer Five [Member]    
Concentration risk, percentage 12.20% 11.60%
Revenue Benchmark [Member] | Top 10 Customers [Member]    
Concentration risk, percentage 98.50% 98.60%
Accounts Receivable [Member] | Three Supplier [Member]    
Concentration risk, percentage 37.50% 33.70%
Accounts Receivable [Member] | Customer One [Member]    
Concentration risk, percentage 18.20% 18.60%
Accounts Receivable [Member] | Customer Two [Member]    
Concentration risk, percentage 16.00% 17.40%
Accounts Receivable [Member] | Customer Three [Member]    
Concentration risk, percentage 13.20% 15.80%
Accounts Receivable [Member] | Customer Four [Member]    
Concentration risk, percentage 0.00% 14.00%
Maximum [Member] | RMB [Member]    
Bank deposits ¥ 500,000