... including industrial gas, electronic gas, standard gas, mixture gas and liquefied gas, such as high purity He, Ar, H2, CO2, CO, C3H8, ... with your good company ! ProductChemical formulaPurityFilling pressureValveApplicationOxygenO299.9%150 bar/200 barQF-2Steel cutting, welding, ... 999%150 bar/200 barNitrogenN299.9%150 bar/200 barQF-2Replacement gas and protection gas for chemical industry, metallurgy ...