... steel, 18CrMnTi,20CrMnTi,20Cr,20CrV,1045 steel, Others optional;3):Surface processing technics: Heat treatment, Induction hardening, carbonadoing, Others optional;4 ... ;6):Quality control equipments:Projector Meter, Microscope, Gear-test Meter, Surface measuring Meter and so on;7):Products range: standard component or ...