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Risks and Uncertainties (Details Narrative) - CNY (¥) | 12 Months Ended
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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 |

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