... has a full range of gas products, including industrial gas, electronic gas, standard gas, mixture gas and liquefied gas, such as high purity He ... , Ar, H2, CO2, CO, C3H8, O2, CH4, ... 200 barHeliumHe99.9%150 bar/200 barPX-32AElectronic industry, leak hunting, air balloon99.99%150 bar/200 bar99. ...