Shenzhen threeup can manufacture worldwide standard plastic mould component .such as date insert ,air poppet valves,parting locks,slide locks ,slide retainers,roller lock sets,heat pipes,mould counter,taper lock pin,taper block set,straight block set ,locating ring,water plugs,gas vent,submarine gate,ball plungers,sprue bushing,ejector pins,puller bolt,stop pins,lock pins etc.