Special process gas compression equipment includes energy gas compression equipment and non-energy gas compression equipment. This kind of equipment is very important in the energy and chemical industry, which can provide high-quality compression liquefaction of natural gas, coalbed methane, bradenhead gas, associated gas, biogas, mixed refrigerant, desorbed gas, flash gas, crude oil stable gas, ethylene, propane, propylene, pentafluoropropane, water gas, ammonia and acetylene, chloromethane, carbon dioxide, vinyl chloride, sulfur dioxide, nitrogen and other special gases, which can meet the requirements of gas pressurization for light hydrocarbon recovery, gathering and transportation, LNG liquefaction and other processes in oil and gas industry.