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Inventories, Net (Details) - Schedule of Inventories, Net	Jun. 30, 2023 CNY (¥)	Jun. 30, 2023 USD ($)	Dec. 31, 2022 CNY (¥)
Schedule of Inventories, Net [Abstract]
Raw materials	¥ 61,466,397		¥ 69,914,306
Work in process	150,974,306		158,693,203
Finished goods	108,733,833		81,807,783
Less: write-down of inventories	(279,239,696)		(208,213,546)
Inventories, net	¥ 41,934,840	$ 5,803,488	¥ 102,201,746

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Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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