... Gas He, H2, Ar, CO2, CO, SF6, N2, O2, C3H8, CH4, CF4, N2O etc. High Purity GasOur company ... has a full range of gas products, including industrial gas, electronic gas, standard gas, mixture gas and liquefied gas, such as ... extablish long-term business relationship with your good company ! ProductChemical formulaPurityFilling pressureValveApplicationOxygenO299.9%150 bar/200 ...