The Nanjing General Hospital of People's Liberation Army (NGH; Chinese: 中国人民解放军南京总医院), formerly Nanjing General Hospital of Nanjing Military Command (Chinese: 中国人民解放军南京军区南京总医院), or Nanjing General Hospital, The Military General Hospital, is also known as Jinling Hospital (formally Jinling Hospital of the Medical School of Nanjing University) which used to be Central Hospital. NGH is located at 305 Zhongshan East Road, Nanjing, Jiangsu Province, China. It is a large comprehensive teaching hospital integrating medical services with teaching and research.

PetroChina Co. Ltd. engages in the petroleum related products, services and activities. It operates through the following business segments: Exploration and Production; Refining and Chemicals; Marketing; Natural Gas and Pipeline; and Head Office and Other. The Exploration and Production segment involves exploration, development, production, and marketing of crude oil and natural gas. The Refining and Chemicals segment focuses on the refining of crude oil and petroleum products, production and marketing of primary petrochemical products, derivative petrochemical products, and other chemical products. The Marketing segment includes marketing of refined products and the trading business. The Natural Gas and Pipeline segment comprises transmission of natural gas, crude oil, and refined products and the sale of natural gas. The Head Office and Other segment relates to cash management and financing activities, the corporate center, research and development, and other business services supporting the operating business segments of the Group. The company was founded on November 5, 1999 and is headquartered in Beijing, China.

Part of Huaxia Eye Hospital Group Co., Ltd., Xiamen Eye Center Co. Ltd. is a company headquartered in China. The firm operates as eye center.

Rohto Pharmaceutical Co. Ltd. engages in the manufacture and sale of pharmaceutical products, cosmetics, and functional food items. Its products include eye drops, contact lens care, dermal medicines, skin care, internal medicines, cold remedies, test kits, and denture cleansers. Its operations are carried out through the following segments: Japan, America, Europe, Asia, and Others. The company was founded by Anmin Yamada on February 22, 1899 and is headquartered in Osaka, Japan.

Guizhou Provincial People's Hospital is a private company headquartered in Guiyang, China, that provides medical services.

Shenyang Aier Optometry Hospital (Co., Ltd.), established on 2005-08-19, Business scope includes ophthalmology(Operate within the approved scope of medical institution practice license);Optometry;Medical project investment;Medical equipment rental;Health Supplies,Healthy food,cosmetic,Medical Device Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Huangshi Aier Eye Hospital Co., Ltd., established on 2004-06-21, Business scope includes ophthalmology,medical imaging,Medical Laboratory,Anesthesiology(The medical institution practice license is valid until2027year03moon01end of day);Medical Optometry;Medical Cosmetology.(Involved in licensing projects,It should be operated after obtaining the permission of the relevant department)

Hebei Qingbai United Medical Device Technology Co., Ltd., established on 2012-05-04, Business scope includes medical devices,food,Disinfectant,Electronic equipment,daily necessities,Office Supplies,hardware products,office equipment,cosmetic,Computer software and auxiliary equipment,Eyewear & Accessories Wholesale,retail;R&D and production of medical devices;Goods import and export business;design,make,acting,Publish various domestic advertisements;Domestic conference and exhibition services;Business Management Consulting;Technical extension services;Trade Consulting;computer,office equipment,Medical Device Repair(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)***