name:transmission gear material:45# We can offer you all kinds of gears(spur gear,bevel gear,sprial gear,internal gear,sprocket,chain wheel)transmission,reducer,shaft and sleeve ... Co.,Ltd. ProductsAll kinds of gears (spur gear, bevel gear, sprial gear, ring gear, internal gear, sprocket, chain wheel) transmission, gear box, reducer ,shaft and sleeve etc.ApplicationSuitable ...