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Taxes (Details 2) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 CNY (¥)
--- | --- | --- | ---
Deferred tax assets: |  |  |
Allowance for doubtful accounts | $ 36,528 | ¥ 258,718 | ¥ 256,868
Impairment loss for investment | 33,885 | 240,000 | 240,000
Net operating loss carry forward | 2,566,934 | 18,180,820 | 3,409,722
Inventory reserve | 3,737 | 26,469 | 26,469
Right of use | 21,558 | 152,685 | 14,110
Less: valuation allowance | (2,248,742) | (15,927,164) | (3,054,301)
Deferred tax assets, net | 413,900 | 2,931,528 | 892,868
Deferred tax liabilities: |  |  |
Recognition of intangible assets arising from business acquisition |  |  | (1,999,387)
Deferred tax liabilities, net |  |  | (1,999,387)
Total deferred tax liabilities, net | $ 413,900 | ¥ 2,931,528 | ¥ (1,106,519)

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