Camlock Coupling, Rubber Gasket, Pipe Fitting manufacturer / supplier in China, offering 3" Type B Self-Locking Handles Groove Coupler for Hose Fitting, Type Ec DIN Camlock Coupling with Female Coupler X Smooth Hose Shank, China Factory Aluminium Camlock Coupling NPT Bsp Thread Hose Nipple Fitting and so on.