Air separation units are key equipment widely used in metallurgy, petrochemicals, and coal chemical industries, and can be classified as external compression air separation unit and internal compression air separation unit according to the process flow.

Zhongtai has the ability to supply complete package of large air separation units through "process design + in-house production of key equipment + external purchase of supporting equipment". Zhongtai is a long-term strategic supplier for Air Liquide and Air Products.