... steels, alloy steels, stainless steels, tool steels,2) Applied software for specification drawings: PRO-E, Auto CAD 2000, Solid work2001, ... machined parts, CNC machine parts),Polishing, and plating5)Suitable for: Gearbox, Gears, Plastic Extrusion Equipment...6)Technics: Open die ... : According to your requirements. The material we usually used for such parts are: 42CrMo, 45#, 20#...8)Certificates: ...