... steel, 18CrMnTi,20CrMnTi,20Cr,20CrV,1045 steel, Others optional;9):Surface processing technics: Heat treatment, Induction hardening, carbonadoing, Others optional;10 ... cusotmer's requirement;12):Quality control equipments:Roundness Meter,Projector Meter, Microscope, Gear-test Meter, Surface measuring Meter and so on;13):Products range: standard ...