Mixture Gas, Gas Cylinder manufacturer / supplier in China, offering 99.9%-99.999% Octafluorocyclobutane C4f8 Gas Best Quality, 5n 99.999% C4f8 Octafluorocyclobutane 47L/44L 5n 50kg, 5n 99.999% C4f8 Octafluorocyclobutane Electronic Grade 40L / 47L ISO DOT Cylinder and so on.