Psa squeezing equipment, hydrogen squeezing equipment, various industrial squealing equipment, deoxygenization, denitration, decarbonization, lng, gas purification technology for gas lng, gas defouling technology for gas sulfide for gas stoves, gas purification technology for gas lng liquidation technology for carbon membrane membrane separation technology for gas acetamine production technology for corrosive benzene and hydrogen-decarbonation technology for mdea ammonia technology for gas sorbing towers and gas purification and liquidization for lng gas for dry coke stoves。