... (EBT)+refining(lf)+Vacuum(CD) make the production of die steel are in high purity and good performance2.high hot ... and cylinders for the processing of plastics, press dies and die inserts, rolls for profiling tools,hot extrusion equipments, trimming tools ... punching, scrap shears, shrink rings, wear resisting parts, cold heading die casings, hot gripper and header dies, nitrided ejectors. Please send ...