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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

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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