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LEASE - Lease income (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2025 CNY (¥) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($)
Sales-type leases |  |  |  |
LEASE |  |  |  |
Interest income on net investment in the lease | ¥ 3,026 | $ 433 | ¥ 2,637 | $ 361
Including: Income relating to variable lease payments not included in the measurement of the net investment in a lease | 3,026 | 433 | 2,637 | 361
Operating leases |  |  |  |
LEASE |  |  |  |
Lease income relating to lease payments | 3,159 | 452 | 6,719 | 920
Including: Income relating to variable lease payments not included in the measurement of lease receivable | ¥ 3,159 | $ 452 | ¥ 6,719 | $ 920

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- Definition The amount represents interest income on net investment in the lease. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The amount represents interest income relating to variable lease payments not included in lease receivable. + References No definition available. + Details
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- Definition The amount represents interest income relating to variable lease payments not included in net investment. + References No definition available. + Details
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- Definition The amount represents lease income relating to lease payments. + References No definition available. + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
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- Details
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- Details
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