Omron Omron: This is a world-renowned manufacturer of automation control and electronic equipment, specializing in the research, development, production and sales of sensors, switches and relays. 1933 was founded in Japan, with profound technology accumulation and great brand influence.

Yu Yue Youwei: This is a well-known brand, established in 1966, specializing in the production of medical thermometers. He is a member of the National Medical Device Industry Association and one of the units involved in the drafting and revision of the national standard for thermometers. Its product quality and technical level are highly recognized in the industry.

Foucault Kefu: This is an enterprise specializing in the research and development of medical devices and providing specialized household medical devices. It has a brand of medical devices with more network influence, and its hydrogen-oxygen machine products also occupy a certain share in the market.

Oxygen Genie: This is a brand owned by Jiangsu Laipu Medical Equipment Co., Ltd. It is a well-known brand of oxygen generator and oximeter, and its hydrogen-oxygen machine products are well received by users.

Fulin FOLEE: This is the governing unit of China Medical Device Industry Association, focusing on the research, production and sales of medical devices. Its hydrogen-oxygen machine products are famous for their high quality and good use experience in the market.

Ogs Owgels: This is an innovative high-tech enterprise focusing on intelligent medical equipment for home use. It is committed to creating high-quality products that promote human health and quality of life, and its hydrogen-oxygen machine products have certain innovations in technology and design.

Jianyi EHM: This is a high-tech enterprise specializing in water treatment equipment and health care products, integrating R&D, production, sales and service, and its hydrogen-oxygen machine products are also competitive in the market.

In addition to the above seven brands, Medhart, Sumei and Joy of hydrogen are also well-known brands in the field of hydrogen and oxygen machines. These brands have performed well in R&D, producing and selling hydrogen and oxygen machines, providing users with a variety of choices and quality services.

Please note that the above rankings are not absolute and are for reference only. When choosing the brand of hydrogen-oxygen machine, it is suggested to make comprehensive consideration according to your actual needs and budget. At the same time, we should choose formal channels to ensure product quality and after-sales service.