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RELATED PARTY TRANSACTIONS | 12 Months Ended
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Dec. 31, 2022
RELATED PARTY TRANSACTIONS |
RELATED PARTY TRANSACTIONS | 25. RELATED PARTY TRANSACTIONS ​
| a) | Related parties#
​
Name of Related Parties |  | Relationship with the Group
JYADK |  | Equity investee of the Group
Zhejiang Marine Leasing Ltd.* | ​ | Equity investee of the Group since June 10, 2020
Cherrylane Investments Limited |  | An entity controlled by a director of the Company
Guangdong Proton International Hospital Management Co., Ltd | ​ | A wholly owned subsidiary of an equity investee of the Group
# These are the related parties that have engaged in significant transactions with the Company for the years ended December 31, 2020, 2021 and 2022. * Zhejiang Marine Leasing Ltd, which have been invested by the Group since June 10, 2020 and have become an associate of the Group. b) The Group had the following related party transactions for the years ended December 31, 2020, 2021 and 2022. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the Years ended December 31,
​ | ​ | 2020 | ​ | 2021 | ​ | 2022 | ​ | 2022
​ |  | RMB |  | RMB |  | RMB |  | US$
Loan to: |  |  |  |  |  |  |  |
Guangdong Proton International Hospital Management Co., Ltd | ​ | — | ​ | 142,895 | ​ | 16,800 | ​ | 2,436
​ |  | — |  | 142,895 |  | 16,800 | ​ | 2,436
Interest income from: |  | ​ |  | ​ |  | ​ | ​ | ​
JYADK | ​ | 127 | ​ | 650 | ​ | — | ​ | —
Guangdong Proton International Hospital Management Co., Ltd | ​ | — | ​ | 2,797 | ​ | 6,961 | ​ | 1,009
​ |  | 127 |  | 3,447 |  | 6,961 | ​ | 1,009
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loan from: |  | ​ |  | ​ |  | ​ | ​ | ​
Cherrylane Investments Limited | ​ | — | ​ | 15,932 | ​ | — | ​ | —
Zhejiang Marine Leasing Ltd | ​ | 199,000 | ​ | 8,500 | ​ | 220,369 | ​ | 31,951
​ | ​ | 199,000 | ​ | 24,432 | ​ | 220,369 | ​ | 31,951
Interest expense to: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cherrylane Investments Limited |  | 587 |  | 554 |  | 1,334 | ​ | 193
Zhejiang Marine Leasing Ltd | ​ | 41,331 | ​ | 12,978 | ​ | 15,456 | ​ | 2,241
​ |  | 41,918 |  | 13,532 |  | 16,790 | ​ | 2,434
Repayment to: |  | ​ |  | ​ |  | ​ | ​ | ​
Cherrylane Investments Limited | ​ | — | ​ | 3,824 | ​ | — | ​ | —
Zhejiang Marine Leasing Ltd | ​ | 272,640 | ​ | 77,062 | ​ | 82,915 | ​ | 12,022
​ |  | 272,640 |  | 80,886 |  | 82,915 | ​ | 12,022
Repayment from: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
JYADK |  | 1,485 |  | 2,430 |  | — | ​ | —
​ |  | 1,485 |  | 2,430 |  | — | ​ | —
​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​
​
| (c) | The balances between the Group and its related parties as of December 31, 2021 and 2022 are listed below.
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As at December 31,
​ | ​ | 2021 | ​ | 2022 | ​ | 2022
​ |  | RMB |  | RMB |  | US$
Due from related parties, current: | ​ | ​ | ​ | ​ | ​ | ​
Guangdong Proton International Hospital Management Co., Ltd |  | 145,692 |  | 169,453 |  | 24,568
​ |  | 145,692 |  | 169,453 |  | 24,568
​ | ​ | ​ | ​ | ​ | ​ | ​
Due to related parties, current: |  | ​ |  | ​ |  | ​
Cherrylane Investments Limited | ​ | 12,108 | ​ | 13,105 | ​ | 1,900
​ |  | 12,108 |  | 13,105 |  | 1,900
​ | ​ | ​ | ​ | ​ | ​ | ​
Due to related parties, non-current |  |  |  |  |  |
Zhejiang Marine Leasing Ltd |  | 83,778 |  | 122,579 |  | 17,772
​ |  | 83,778 |  | 122,579 |  | 17,772
Due to related parties, non-current, due within 1 year |  | ​ |  | ​ |  | ​
Zhejiang Marine Leasing Ltd | ​ | 26,753 | ​ | 123,855 | ​ | 17,957
Cherrylane Investments Limited | ​ | 9,240 | ​ | 10,001 | ​ | 1,450
​ |  | 35,993 |  | 133,856 |  | 19,407
​

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -URI https://asc.fasb.org/topic&trid=2122745 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864 + Details
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