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Long-Term Debts (Details)	6 Months Ended
	Jun. 30, 2023 CNY (¥)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 CNY (¥)	Aug. 11, 2022 CNY (¥)
Long-Term Debts (Details) [Line Items]
Amount borrowed	¥ 50,876,549	$ 7,040,957
Repayments of credit facilities	¥ 530,000	$ 73,348
Zhejiang Shaoxing Ruifeng Rural Commercial Bank [Member]
Long-Term Debts (Details) [Line Items]
Rural commercial bank for a credit line				¥ 100,000,000
Expiration period of credit agreement	Jul. 25, 2030	Jul. 25, 2030
Amount borrowed	¥ 50,876,549
Repayments of credit facilities	¥ 530,000
Debt instrument, interest rate, stated percentage	5.40%	5.40%
Minimum [Member]
Long-Term Debts (Details) [Line Items]
Expiration period of credit agreement	Sep. 20, 2022	Sep. 20, 2022
Maximum [Member]
Long-Term Debts (Details) [Line Items]
Expiration period of credit agreement	Jul. 25, 2030	Jul. 25, 2030

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Date the credit facility terminates, in YYYY-MM-DD format.

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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The effective interest rate during the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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