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Revenue (Tables) | 12 Months Ended
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Dec. 31, 2020
Revenue |
Schedule of Deferred revenue Recognition | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the Years Ended December 31,
​ | ​ | 2018 | ​ | 2019 | ​ | 2020 | ​ | 2020
​ | ​ | RMB | ​ | RMB | ​ | RMB | ​ | US$
ASC 606 revenue: |  |  |  |  |  |  |  |
Management services and technical services |  | 50,291 |  | 48,416 |  | 36,948 | ​ | 5,663
Brand royalty fees |  | 5,189 |  | 5,081 |  | — |  | —
Consumable and equipment sales |  | 5,867 |  | 9,482 |  | 26,105 |  | 4,001
Medical service |  | 37,770 |  | 54,048 |  | 76,997 | ​ | 11,800
Medicine income |  | 15,058 |  | 22,777 |  | 30,055 | ​ | 4,606
ASC 606 revenue |  | 114,175 |  | 139,804 |  | 170,105 | ​ | 26,070
ASC 842 revenue: |  | ​ |  | ​ |  | ​ |  | ​
Operating lease income* |  | 71,864 |  | 53,485 |  | 45,847 | ​ | 7,026
Sales-type lease income* |  | — |  | 1,130 |  | 4,130 | ​ | 633
Direct financing lease income* |  | 4,859 |  | 3,944 |  | 2,929 |  | 449
ASC 842 revenue |  | 76,723 |  | 58,559 |  | 52,906 | ​ | 8,108
Total revenue | ​ | 190,898 | ​ | 198,363 | ​ | 223,011 | ​ | 34,178
* Operating lease income, sales-type lease income and direct financing lease income were recognized under ASC 842, Leases.

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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