RICH is a professional enterprise integrating R&D and manufacturing, we specialize in the development of gas generation, separation and purification equipment. As the biggest manufacturer of normal temperature gas separation apparatus in China, we have been involved in the research of pressure swing adsorption (PSA) separation technology since 1979.

As experts in the PSA gas separation and purification field, we have popularized around 1000 models of PSA equipments, and 500 models of purification apparatus, among clients at home and abroad. A recipient of ISO9001 certification since 1999, our application knowledge and full line of technologies enable us to provide high quality solutions for your special needs.

With 25 years' experience supplying PSA nitrogen and oxygen generators, we also have PSA hydrogen extraction and gas purification equipments, in addition to catalysts and valves, on offer. These apparatus are suitable for use in the petroleum, chemical, electrical generation, metal heat treatment, metallurgy, foodstuff, pharmaceutical, chemical fertilizer, plastic, rubber, coal, transportation, aviation, and various other industries.

Our mission is to provide stable and reliable site nitrogen & oxygen supply equipment (including equipment update) and fast service for customers at home and abroad, reducing air using cost of customer, increasing productivity of customer, becoming a top ranking enterprise in world normal temperature air separation field.