... a full range of gas products, including industrial gas, electronic gas, standard gas, mixture gas and liquefied gas, such as high purity ... ProductChemical formulaPurityFilling pressureValveApplicationOxygenO299.9%150 bar/200 barQF-2Steel cutting, welding, flame processing99.999%150 bar/200 barNitrogenN299 ... .5%32 barQF-15QF-15AWelding, cutting, heating, organic raw materials High Purity ...