Taxes - Schedule of Tax Effects of Temporary Differences and Net Operating Losses (Details) |
Dec. 31, 2025
CNY (¥)
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Dec. 31, 2025
USD ($)
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Dec. 31, 2024
CNY (¥)
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|---|---|---|---|
| Deferred tax assets: | |||
| Credit loss provision | ¥ 474,037 | $ 67,786 | ¥ 575,804 |
| Inventory reserve | 455,194 | 65,092 | 121,492 |
| Impairment of long-term investment | 75,000 | ||
| Impairment of fixed asset | 10,986 | 1,571 | |
| Lease liability | 561,916 | 80,353 | 606,798 |
| Accrued payroll payable | 1,204,540 | 172,247 | 1,179,467 |
| Net operating loss carry forwards | 91,433,134 | 13,074,764 | 82,023,102 |
| Total deferred tax assets | 94,139,807 | 13,461,813 | 84,581,663 |
| Valuation allowance | (94,139,807) | (13,461,813) | (84,581,663) |
| Deferred tax assets, net |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The amount of impairment of fixed asset. No definition available.
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| X | ||||||||||
- Definition The amount of impairment of long term investment. No definition available.
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on financing receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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