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Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Details) ¥ in Thousands, $ in Thousands | Jun. 30, 2025 CNY (¥) | Jun. 30, 2025 USD ($) | Dec. 31, 2024 CNY (¥)
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Schedule of Accrued Expenses and Other Current Liabilities [Abstract] |  |  |  |
Accrued service fees | [1] | ¥ 2,085 |  | ¥ 2,034
Payables to employees |  | 6 |  | 13
Accrued payroll and welfare |  | 676 |  | 807
Other tax payables | [2] | 25,470 |  | 12,932
Deposit payables |  | 155 |  | 155
Payables for equipment | [3] | 1,859 |  | 2,929
Others | [4] | 178 |  | 268
Total accrued expenses and other current liabilities |  | ¥ 30,429 | $ 4,248 | ¥ 19,138
[1] | Accrued service fees represent service fees mainly includes professional services expenses, information technology service expenses and other expenses related to the daily operation.
[2] | Other tax payable mainly includes accrued output VAT payable.
[3] | Equipment-related accounts payable primarily cover operation and maintenance costs and service charges.
[4] | Others mainly including daily reimbursement expenses.

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