... EERST/6 /10/16 two stage ejector Early ejector return units mold pat two stage ejector Early ejector return units mold patFeatureUnique ... pin sets . Ejector devices: Two-stage ejector, Accelerated knock-outs,slide core units, Lifter . Ejector Series: Ejector pin, Ejector blades ,Shouldered ejector pins,Ejectorsleeves, ... . Our Brands: Since 2002, we had created two brands - Datong Precision and Cumsi