... profile: Spur,Helical,Worm,Spiral or other types 5) Use application: gear box for steelworks Product TypeCNC hobbing gearMaterial:42CrMo, 20CrMnMo ... , Brushing & ploshing,Electrophoresis etc.OEM & ODM ServiceAvailableDesign SoftwarePRO/E, Auto CAD, Solid Works and Unigraphics NX Trade Terms:FOB,,CIF,EXWPayment ...