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ORGANIZATION AND BASIS OF PRESENTATION (Tables) | 12 Months Ended
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Dec. 31, 2022
ORGANIZATION AND BASIS OF PRESENTATION |
Schedule of subsidiaries | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | Percentage of | ​ | ​
​ | ​ | Date of | ​ | Place of | ​ | ownership by | ​ | ​
Entities |  | establishment/acquisition |  | establishment |  | the Company |  | Principal activities
Subsidiaries |  |  |  |  |  |  |  |
Ascendium Group Limited (“Ascendium”) | ​ | September 10, 2007 |  | British Virgin Islands (“BVI”) |  | 100 | % | Investment holding
China Medical Services Holdings Limited (“CMS Holdings”) | ​ | July 18, 2008 |  | Hong Kong |  | 100 | % | Investment holding
King Cheers Holdings Limited (“King Cheers”) | ​ | May 18, 2001 |  | Hong Kong |  | 100 | % | Investment holding
Shenzhen Aohua Medical Technology Development Co., Ltd. (“Aohua Technology ”) ** | ​ | February 21, 2008 |  | PRC |  | 43.90 | % | Leasing of medical equipment and provision of management services
Shanghai Medstar Financial Leasing Company Limited ("Shanghai Medstar") | ​ | March 21, 2003 |  | PRC |  | 98.19 | % | Leasing of medical equipment and provision of management services
Meizhong Jiahe Medical Technology Development Group Co., Ltd. (“MHM”) * | ​ | July 23, 2008 |  | PRC |  | 43.90 | % | Provision of management services
Beijing Yundu Internet Technology Co., Ltd. (“Yundu”) ** | ​ | July 26, 2007 |  | PRC |  | 43.90 | % | Provision of management services
Tianjin Concord Medical Technology Limited (“Tianjin Concord Medical”) | ​ | April 22, 2010 |  | PRC |  | 98.19 | % | Leasing of medical equipment and provision of management services
Guangzhou Concord Cancer Center Co., Ltd ("Guangzhou Concord Cancer Hospital") ** | ​ | June 29, 2011 |  | PRC |  | 35.12 | % | Medical treatment and service business
CCM (Hong Kong) Medical Investments Limited (“CCM (HK)”) | ​ | June 03, 2013 |  | Hong Kong |  | 100 | % | Investment holding
Shanghai Concord Cancer Center Co., Ltd (“SHC”) ** | ​ | March 17, 2014 | ​ | PRC | ​ | 44.18 | % | Medical treatment and service business
Datong Meizhong Jiahe Cancer Center (“DTMZ”) ** | ​ | October 23, 2014 | ​ | PRC | ​ | 43.90 | % | Medical treatment and service business
Wuxi Concord Medical Development Ltd. ("Wuxi Concord”) | ​ | December 29, 2015 | ​ | PRC | ​ | 100 | % | Provision of management services
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | Percentage of | ​ | ​
​ | ​ | Date of | ​ | Place of | ​ | ownership by | ​ | ​
Entities |  | establishment/acquisition |  | establishment |  | the Company |  | Principal activities
Beijing Concord Medical Technology Ltd.(“BJCMT”) | ​ | January 4, 2016 |  | PRC |  | 100 | % | Provision of management services
Beijing Century Friendship Science & Technology Development Co., Ltd (“Beijing Century Friendship”)** | ​ | October 8, 2018 |  | PRC |  | 98.19 | % | Provision of management services and investment holding
Beijing Proton Medical Center Co., Ltd (“BPMC”) | ​ | October 8, 2018 |  | PRC |  | 79.01 | % | Medical treatment and service business
Shanghai Meizhong Jiahe Cancer Center Co., Ltd. (“CMCC”)** | ​ | October 8, 2018 |  | PRC |  | 41.50 | % | Medical treatment and service business
Shanghai Meizhong Jiahe Imaging Diagnostic Center Co., Ltd. ("SH MZJH") ** | ​ | November 18,2019 | ​ | PRC | ​ | 15.68 | % | Medical treatment and service business
Wuxi Meizhong Jiahe Cancer Center Co., Ltd. ("Wuxi MZJH") | ​ | November 18,2019 | ​ | PRC | ​ | 98.50 | % | Medical treatment and service business
Yinchuan Meizhong Jiahe Internet Hospital Ltd. (“YCIH”) ** | ​ | October 18, 2020 | ​ | PRC | ​ | 43.90 | % | Medical treatment and service business
US Proton Therapy Holdings Limited (“Proton BVI”) | ​ | May 16, 2011 |  | BVI |  | 100 | % | Investment holding
US Proton Therapy Holdings Limited (“US Proton”) | ​ | June 29, 2011 |  | United States of America |  | 100 | % | Investment holding
Guangzhou Concord Hospital Management Co., Ltd. ("GCHM") (formerly known as Guangzhou New Spring Hospital Management Ltd.) (note 4) ** | ​ | April 21, 2020 | ​ | China | ​ | 30.73 | % | Investment holding
Guangzhou Concord Medical Cancer Ltd. ("GCMC") (formerly known as Guangzhou New Spring Medical Cancer Ltd) (note 4) ** | ​ | April 21, 2020 | ​ | China | ​ | 30.73 | % | Medical treatment and service business
Beijing Healthingkon Technology Co., Ltd. (“Healthingkon”) (note 4) ** | ​ | January 4, 2021 | ​ | China | ​ | 11.56 | % | Leasing of medical equipment and technical service
Guangzhou Concord Medical Technology Innovation Center Co., Ltd ("GCMTIC") ** | ​ | April 22, 2021 |  | China |  | 43.90 | % | Technical service
* On March 26, 2018, July 10, 2018 and on April 7, 2020, the Group entered into agreements with CICC Capital Management Company Limited (“CICC Capital”), a wholly-owned subsidiary of China International Capital Corporation Limited (“CICC”), together with six other investors (“Other Investors”) and CITIC Industrial Investment Group Limited (“CITIC Industrial”). Pursuant to the agreements, CICC Capital, Other Investors and CITIC Industrial make a strategic investment and subscribe new issued 60,000,000, 40,000,000 and 38,888,888 shares of the Group’s subsidiary MHM, with total consideration of RMB1,500,000 and RMB700,000. ** Aohua Technology, Yundu, Guangzhou Concord Cancer Hospital, SHC, DTMZ, Beijing Century Friendship, CMCC, SH MZJH, YCIH, GCHM, GCMTIC, GCMC and Healthingkon are subsidiaries of MHM.

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