Hunan Tankang Biotechnology Co., Ltd., established on 2018-04-13, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Medical Research and Experimental Development;Production of Class I Medical Devices;Sales of Class I Medical Devices;Class I Medical Device Leasing;Sales of Class II Medical Devices;Class II Medical Device Leasing;New material technology research and development;New material technology promotion service;Manufacture of graphite and carbon products;Sales of graphite and carbon products(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).licensed items:Production of Class II Medical Devices;Production of Class III Medical Devices;Class III medical device business;Class III Medical Device Leasing(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments).

TRACOE medical GmbH manufactures tracheostomy and laryngectomy products. The firm offers tubes for long-term, postoperative use, and during rehabilitation; speaking valves, artificial noses, and occlusion possibilities for various tracheostomy tubes and other carriers; precision medical products for the cuff pressure management; voice prostheses and accessories, stoma buttons adhesive carriers, and HMEs for laryngectomized patients; accessories for ongoing product care, cleaning, and maintenance; experc sets for percutaneous dilation tracheostomy; tracheostomy tubes with various adjustable neck flange for inpatient use; and tracheostomy tubes for use in hospitals and during rehabilitation especially to regain the ability to communicate, as well as to meet special requirements of neonates and children. The company was founded by Wolgang Köhler and Hildegard Waldeck in 1972 and is headquartered in Nieder-Olm, Germany.

Seoul National University Hospital (서울대학교병원) is one of the oldest and biggest hospitals in South Korea. It is a general and teaching hospital of Seoul National University's College of Medicine. Except SNUH Healthcare System Gangnam Center, all branches have an emergency department (ED).

Shanghai Pulmonary Hospital, a subsidiary of Tongji University, is a Chinese company located in Shanghai that provides medical services.

Green Cross Co., Ltd. engages in the manufacture, sale, and rental of safety items. Its products include road safety materials, disaster prevention necessities, safety equipment, protection gear, and signboards and tags. The company was founded in January 1969 and is headquartered in Fukuoka, Japan.

Henan Zhongke New Innovative Materials Technology Research Institute Co., Ltd., established on 2019-11-04, Business scope includes new material technology development;Basic scientific research in engineering and technology;Entrepreneurial Guidance Service;Business Management Consulting Services;Environmental Protection Monitoring Service;business incubation;computer software development;Housing rental business.

Green Cross Corp. engages in the manufacture and sale of pharmaceutical products. Its products include medicines for blood, over the counter drugs, generals, vaccines, and others. The company was founded on November 1, 1969 and is headquartered in Yongin, South Korea.

Tianjin Medical Hall Technology Co., Ltd., established on 2008-12-11, Business scope includes electronics and information technology,Mechatronics technology and product development,consult,Serve,transfer;Wholesale and retail trade;Manufacturing of medical teaching models and teaching instruments;Educational information consultation;Internet information service;The second type of value-added telecommunications services;Radio and television program production and management;Import and export.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Koken Co., Ltd. is a company headquartered in Tokyo, Japan, that develops and manufactures silicone materials. It was founded in 1959 by Taichiro Akiyama.