Wafer Butterfly Valve, Flange Butterfly Valve, Lt Butterfly Valve manufacturer / supplier in China, offering Pn10 16 Z45X Ductile Iron Body Non Rising Stem Gate Valve, DN600-DN1200 Large Size Resilient Seated Gate Valve with Handwheel, DIN F4 Awwa Water Oil Gas Flange Resilient Seated Gate Valve and so on.