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Summary of Significant Accounting Policies (Details) - Schedule of Revenue Recognition	Dec. 31, 2023 CNY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 CNY (¥)	Dec. 31, 2021 CNY (¥)
Schedule of Revenue Recognition [Line Items]
Total revenue	¥ 497,868,200	$ 70,293,560	¥ 651,991,593	¥ 545,593,497
Point in time [Member]
Schedule of Revenue Recognition [Line Items]
Total revenue	158,069,415	22,317,678	71,448,443	53,531,895
Over time [Member]
Schedule of Revenue Recognition [Line Items]
Total revenue	¥ 339,798,785	$ 47,975,882	¥ 580,543,150	¥ 492,061,602

X

- Definition

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(26)(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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