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Risks and Uncertainties (Details) - CNY (¥)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Risks and Uncertainties [Line Items]
Bank deposits (in Yuan Renminbi)	¥ 500,000		¥ 500,000
Customer Concentration Risk [Member] | Customer One [Member] | Revenue Benchmark [Member]
Risks and Uncertainties [Line Items]
Concentration risk, percentage	22.00%	21.20%	21.50%	21.90%
Customer Concentration Risk [Member] | Customer One [Member] | Accounts Receivable [Member]
Risks and Uncertainties [Line Items]
Concentration risk, percentage			29.00%
Customer Concentration Risk [Member] | Customer Two [Member] | Revenue Benchmark [Member]
Risks and Uncertainties [Line Items]
Concentration risk, percentage	16.20%	19.50%	16.60%	20.00%
Customer Concentration Risk [Member] | Customer Two [Member] | Accounts Receivable [Member]
Risks and Uncertainties [Line Items]
Concentration risk, percentage			20.00%
Customer Concentration Risk [Member] | Customer Three [Member] | Revenue Benchmark [Member]
Risks and Uncertainties [Line Items]
Concentration risk, percentage	15.70%	16.00%	15.80%	15.20%
Customer Concentration Risk [Member] | Customer Three [Member] | Accounts Receivable [Member]
Risks and Uncertainties [Line Items]
Concentration risk, percentage			14.50%
Customer Concentration Risk [Member] | Customer Four [Member] | Revenue Benchmark [Member]
Risks and Uncertainties [Line Items]
Concentration risk, percentage	14.50%	14.50%	14.90%	13.90%
Customer Concentration Risk [Member] | Customer Four [Member] | Accounts Receivable [Member]
Risks and Uncertainties [Line Items]
Concentration risk, percentage			12.20%
Customer Concentration Risk [Member] | Customer Five [Member] | Revenue Benchmark [Member]
Risks and Uncertainties [Line Items]
Concentration risk, percentage	12.00%	12.10%	12.20%	11.60%
Customer Concentration Risk [Member] | Top 10 Customers [Member] | Revenue Benchmark [Member]
Risks and Uncertainties [Line Items]
Concentration risk, percentage	99.60%	100.00%	99.40%	99.30%
Supplier Concentration Risk [Member] | Supplier [Member] | Purchases Raw Material [Member]
Risks and Uncertainties [Line Items]
Concentration risk, percentage			10.00%
Supplier Concentration Risk [Member] | Two Suppliers [Member] | Purchases Raw Material [Member]
Risks and Uncertainties [Line Items]
Concentration risk, percentage	50.10%	27.10%		40.30%
Supplier Concentration Risk [Member] | Three suppliers [Member] | Purchases Raw Material [Member]
Risks and Uncertainties [Line Items]
Concentration risk, percentage			49.60%

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