As a new type of adsorbent, the carbon molecular sieve produced by the company is mainly used to separate air enrich nitrogen; it can be widely used in the preservation storage of food, fruit, grain, tea, Chinese herbal medicine, nitrogen-based treatment of metal heat treatment, electronic product treatment, coal mine fire-fighting, petrochemical other aspects. Up to now, hundreds of tons of carbon molecular sieves have been successfully used in many large medium-sized PSA nitrogen generators in China.