... 3.Perfect after-sale serivce multi cavity plastic injection moulding General Mould Specification: Nameplastic injection mouldMould material 718,718H, NAK80,1.2343, ... onCavity Steel718,718H, NAK80,1.2343,P20,738,S136and ectNos of CavityCustomizedMould BaseLKM or CustomizedSurface finish Diamond polish, Molding life ... customer approve sample and arrange shipment multi cavity plastic injection moulding