quick coupling, mold coupling: 1.Mat:Copper H59 2.Type:JS204- ... Shut off 4.Good Factory Price quick coupling, mold coupling:high quality mold coupling,firmly and durablecoupling mold parts .Specifically designed ... Air poppet,Slide retainers,Pipe plugs,Nipple, Mold Coupling ,Latch Lock, Mould Counter etc.we are familiar with HASCO, ... meet our customer's special requirement. quick coupling, mould coupling