Valve, Ball Valve, Gate Valve manufacturer / supplier in China, offering 304/316L Stainless Steel DN15-DN500 Sanitary Butterfly Valve Food Grade Quick-Release Butterfly Valve Medical Grade Flange Butterfly Valve, 304/316L Stainless Steel Sanitary Butterfly Valve Food Grade Quick-Release Butterfly Valve Medical Grade Flange Butterfly Valve DN15-DN200, High Temperature High Pressure 2 Way SS304 SS316 CF8 CF8m Pn16 150lb Ball Valve and so on.