... interlock Hardness HRC56+-2code KY-50 KY-100 KY-150mold component standard mold part Our Prodouts: . Slide retainters: Slide holding devices ... interlocks, Square interlock,Tapered interlocks, Taper pin sets . Ejector devices: Two-stage ejector, Accelerated knock-outs,slide core units, Lifter . Ejector ... , South Korea, etc. Our Brands: Since 2002, we had created two brands - Datong Precision and Cumsi