steel spiral bevel gear 1.usage industry and automobile 2.made by CNC machine 3. ISO9001 4.pay:T/T 30%deposit ... ,70% after ship steel spiral bevel gear MaterialC45heat treatment ... available:Steel spiral bevel gears, spiral gear, bevel gear, tractor part bevel gears,motor spiral bevel gears,vehicle spiral bevel gears, motor gear,gear pinions produced by ...