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Shanghai Rich Gas Technology Co., Ltd. Shanghai Rich Gas Technology Co., Ltd.
  • Home
  • Products
    • Nitrogen Generators
      • Customized On-site PSA Nitrogen Generation Systems
      • PNF Series PSA Nitrogen Generators
      • PNF+ Series PSA Nitrogen Generators
      • Horizontal Nitrogen Production Equipment
      • Membrane Nitrogen Generator
    • Oxygen Generators
      • Customized On-site Oxygen Generation Systems
      • VPSA Oxygen Plant
      • POF Series PSA Oxygen Generators
    • PSA for special gas purification
      • PSA hydrogen separation and purification plant
    • Gas Purification Equipment
      • Hydrodeoxidation Purification Equipment
      • Carbon Combustion Purification Equipment
      • Deoxydehydrogenation Purification Equipment Ⅰ
      • Deoxydehydrogenation Purification Equipment Ⅱ
      • Desiccant Dryers
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Shanghai Rich Gas Technology Co., Ltd.
PNK series modular nitrogen generator

PNK series modular nitrogen generator

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Customized On-site PSA Nitrogen Generation Systems

Customized On-site PSA Nitrogen Generation Systems

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PNF Series PSA Nitrogen Generators

PNF Series PSA Nitrogen Generators

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PNF+ Series PSA Nitrogen Generators

PNF+ Series PSA Nitrogen Generators

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Horizontal Nitrogen Production Equipment

Horizontal Nitrogen Production Equipment

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POF Series PSA Oxygen Generators

POF Series PSA Oxygen Generators

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About RICH

Since1979, RICH focuses on the R&D, production and sales of gas production systems. We are the leader in the field of room-temperature air separation in China.

Our business includes: gas equipment, gas products, gas equipment services, equipment renting, etc.

With more than 40 years’ experience in air separation industry, we always adhere to create value for customers and provide professional gas generation system for all industries around the world, like petroleum, chemical, coal mining, metallurgy, tire, pharmaceutical, food and many other industries. We have provided more than 4,000 sets of gas production systems worldwide.

Being Our Partner

We are looking for partners worldwide. Whether you are an individual or a company,If you are interested in RICH’s products or services, contact us now!

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1979
1979
In 1979, The first PSA nitrogen production unit (vacuum desorption) was put into operation in China.
1989
1989
In 1989, Developed China's first PSA nitrogen generator (atmospheric pressure desorption).
1996
1996
In 1996, Developed China's first gradient pressure equalizing carbon molecular sieve device.
1996
1996
In 1996, Developed China's first horizontal mobile nitrogen production device.
1997
1997
In 1997, Developed China's first set of automatic PSA nitrogen production equipment.
1997
1997
In 1997, Developed China's first set of automatic hydrogenating deoxidization device.
Regional services
The regional services include Equipment Rent, Gas Supply and Spare Parts & Upgrades services. Only available in the regions where offices have been set. If you would like more information, please contact us
Industry Applications
Petroleum & Natural Gas

Petroleum & Natural Gas

The nitrogen generator for petroleum & natural gas is mainly used in protection, transportation, covering, pipeline replacement, rescue, maintenance, nitrogen injection, oil recovery, dilution nitrogen content, etc.
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Chemical Industry

Chemical Industry

Nitrogen covering, purging, displacement, cleaning, pressure conveying, chemical reaction agitation, chemical fiber production protection, etc.
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Food and Beverages

Food and Beverages

RICH has advanced food storage and liquid nitrogen preservation technology. Our equipment covers the main domestic granaries, effectively inhibiting the survival of pests and diseases.
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Coal Mine

Coal Mine

RICH's coal mine nitrogen injection system is a series of innovative products developed for the demand of underground coal mining, which can effectively prevent the gas explosion and coal dust explosion in underground coal mines, and provide a strong
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Metal

Metal

RICH’s products equipped with a complete service system for metal heat treatment, smelting users to provide better solutions.
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Pharmaceutical

Pharmaceutical

The use of nitrogen ensures a clean and sterile environment, which is essential for the production of pharmaceutical products.
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Battery/Lithium Battery

Battery/Lithium Battery

Nitrogen is used for the cooling and drying of lithium batteries to prevent high-temperature oxidation, and can also remove oxygen in the solution
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Rubber and Tires

Rubber and Tires

RICH's nitrogen vulcanization process replaces the traditional superheated water vulcanization process, and has been successful in the rubber/tire industry.
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Electronics

Electronics

RICH's high-purity products are suitable for various needs, a variety of solutions are specially developed for electronics/semiconductor users, which are convenient for users to choose.
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Optical Fiber

Optical Fiber

Optical fibers are extremely fine filaments drawn from special plastic and quartz glass, they are fragile and susceptible to oxidation and dust.
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Graphene

Graphene

In the manufacturing process of graphene, it is necessary to use nitrogen to protect graphene from oxidation and pollution, to improve the performance and stability of graphene.
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Vehicle

Vehicle

Nitrogen-assisted molding is widely used in the automotive industry to manufacture complex parts such as bumpers, instrument panels, and seat frames.
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News & Updates

May. 30, 2025

How a Nitrogen Generator Works: PSA vs. Membrane Separation
Learn about the two main types of nitrogen generators in the fire sprinkler industry: Nitrogen Separation Membrane and Pressure Swing Adsorption (PSA).

May. 30, 2025

Membrane Vs. Pressure Swing Adsorption — Comparing LN2 Generation Technologies
Liquid nitrogen generators help filter the air in the atmosphere — roughly 21% oxygen and 78% nitrogen — using either Membrane or Pressure Swing Adsorption technologies. Then it transforms the gas into

May. 30, 2025

Nitrogen Generator Installation: What You Need to Know
This guide will walk you through everything you need to know about nitrogen generator installation, benefits, and planning.
Feel free to contact us
if you have any questions
We are looking forward to hearing from you, please feel free to ask any questions.
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