Hangzhou Oxygen Plant Group Co.,Ltd. designs, produces, and sells air separation equipment, petrochemical equipment, other related equipment worldwide. It offers turbine compressors, various expanders, adsorbers, plate heat exchangers, coolers, structured packing products, low-temperature liquid storage tanks, cryogenic liquid pumps, and valves, as well as plant engineering services; and installs and maintains air separation equipment, as well as offers related technical services. The company also produces industrial, special, medical, and mixed gases; oxygen, nitrogen, liquid oxygen, liquid nitrogen, liquid argon, and argon; nitrogen inert gas fire extinguishing agents and argon inert gas fire extinguishing agents; and nitrogen food additives. In addition, it is involved in the wholesale of hazardous chemicals; road freight operations; sale of general machinery and equipment accessories; import and export of goods; and rare gas refined extraction test platform project. It serves glass, metallurgy, chemical, coal chemical, petrochemical, electronics, aerospace, solar energy, food, chemical processing, and medical treatment sectors. The company was founded in 1950 and is headquartered in Hangzhou, the People's Republic of China. Hangzhou Oxygen Plant Group Co.,Ltd. is a subsidiary of Hangzhou Hangyang Holdings Co., Ltd.