Parent Company Only Condensed Financial Information - Schedule of Condensed Statements of Operations (Details) - Parent Company [Member] |
12 Months Ended | |||
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Dec. 31, 2024
CNY (¥)
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Dec. 31, 2024
USD ($)
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Dec. 31, 2023
CNY (¥)
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Dec. 31, 2022
CNY (¥)
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| Schedule of Condensed Statements of Operations [Line Items] | ||||
| General and administrative expenses | ¥ (3,495,501) | $ (478,882) | ¥ (6,637,389) | ¥ (6,740,255) |
| Other general expense | (13,944,926) | |||
| Interest income | 5,550,006 | 760,348 | 15,128 | 1,924 |
| Interest expense | (8,046,920) | (1,102,424) | (4,723,335) | (5,192,054) |
| Other income(expense) | (4,815,940) | (659,781) | 19,969,182 | 22,765,816 |
| (Losses) gains on investments in equity securities | (11,463,068) | (1,570,434) | 7,927,075 | (76,105,482) |
| Share of (losses) profit in subsidiaries, net (Note a) | 132,273,653 | 18,121,416 | 252,765,647 | (345,938,204) |
| Net (loss) income | 110,002,230 | 15,070,243 | 269,316,308 | (425,153,181) |
| - Foreign currency translation adjustments | (22,374,019) | (3,065,228) | 672,112 | (11,361,872) |
| - Unrealized (losses) on available-for-sale investments | 6,000 | 822 | (2,934) | (2,786,931) |
| Comprehensive (loss) income | ¥ 87,634,211 | $ 12,005,837 | ¥ 269,985,486 | ¥ (439,301,984) |
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- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of gain (loss) on sale or disposal of equity in securities of subsidiaries or equity method investee. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of general expenses not normally included in Other Operating Costs and Expenses. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of revenue and income classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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