gnox, within concentrated operation of super clean fittings, sanitary clean series, vacuum series, instrument tube fitting &valves, is one of leading companies in China. And detailed products as follows: Super clean fittings :micro fittings, tube&pipe, INCH fittings, JIS fittings, VCR fittings.Sanitary clean fittings:3A,SMS,DIN,ISO elbow ,tee, reducer, union, ferrule, clamp, pipe holder, sanitary valves etc.Vacuum series: CF,KF,ISO fittings, Adaptors fittings, Bellows, Vacuum valves.Instrument tube fitting&valves: tube fitting lok, valves lok&VCR fittings, fliters strainers.