How about Koster oxygen generator?

Coside oxygen generator has good quality.

The oxygen absorber of Keside oxygen generator is simple to operate and very convenient to use, which is very suitable for families with elderly people at home. Coside oxygen generator has good quality, fine workmanship and affordable price. Worth buying, no smell. If you can't operate it, you can use it according to the instructions. The oxygen of the oxygen generator is very comfortable to absorb. Coside oxygen generator is a very good choice and will be relatively safe to use.

An oxygen generator is a machine for producing oxygen. Its principle is to use air separation technology to compress air at high density, and then use the difference of condensation points of various components in the air to separate gas and liquid at a certain temperature. It is obtained by further rectification, characterized by fast oxygen production and high oxygen concentration.

Coside brand:

Jiangsu Keside Medical Technology Co., Ltd. was established on July 6, 20 17, and its legal representative is Simin. The company's business scope includes technical development in the field of medical science and technology, development and sales of medical devices, technical consultation, technical services, sales of cosmetics, daily necessities, electronic products, handicrafts, general mechanical parts, e-commerce, self-management and agency of import and export of various commodities and technologies.

COSD follows the EU production standards from the material selection of each part to the assembly design of the whole machine, and strictly abides by the 5S standard assembly and processing specifications. Each machine has passed several hours of debugging and testing. Each finished machine has gone through three days of sample retention, unpacking and sampling inspection to ensure quality, and has obtained EU CE certification, and has a number of patented technologies in oxygen generators, ventilators and other products and their core components.

Reference to the above content: Baidu Encyclopedia-Jiangsu Keside Medical Technology Co., Ltd.