... mining machinery factory. Such as spur gear, bevel gear,sprial bevel gear,internal gear,sprocket,transmission,reducer,shaft ... and sleeve etc. ProductsAll kinds of gears (spur gear, bevel gear, sprial gear, ring gear, internal gear, sprocket ... , acid treatment , anodizing , painting and PVC powder coatingEquipmentSprial bevel gear milling machine, hobbing machine, grinding machine, gear shaving machine ...