... professional manufacturer supply free sample durable CAMLOCK COUPLING/QUICK COUPLINGStainless steel quick coupling type A,B,C,D,E, ... manufactured according to international standards such as ANSI,API,DIN,BS,GB,JIS,etc. We can offer designing ... 90,tee,cross,union,cap,socket,coupling,plug,nipple,bushing etc.3.Quick coupling: type A,B,C,D ... for customers special demands. quick connect hose coupling fittings