... has a full range of gas products, including industrial gas, electronic gas, standard gas, mixture gas and liquefied gas, such as high purity He ... /200 barNitrogenN299.9%150 bar/200 barQF-2Replacement gas and protection gas for chemical industry, metallurgy , and electric industry99 ... 200 barHeliumHe99.9%150 bar/200 barPX-32AElectronic industry, leak hunting, air balloon99.99%150 bar/200 bar99.9995150 ...