... machinery factory. Such as spur gear, bevel gear,sprial bevel gear,internal gear,sprocket,transmission,reducer,shaft and ... of gears (spur gear, bevel gear, sprial gear, ring gear, internal gear, sprocket, chain wheel) transmission, gear box, reducer ,shaft ... painting and PVC powder coatingEquipmentSprial bevel gear milling machine, hobbing machine, grinding machine, gear shaving machine, CNC lathes, ...