1. Material: Stanly PA46; 2. TS 16949; 3. Process: Gleason hobbing. Gear characteristic:Z=0-200, M=0-4, Diameter=0-400mm, Quality can reach GB 5Material: 40Cr, 45#, 42CrMo,16MnCr5, PA46 etc.or according to the customer's requirementsHeat treatment: Nitrogen, Carbonization, Quench and Temper, High or medium frequencycompany: worm gear for automobile steering system