... .11 years OEM manufacturer 4.excellent surface treatment Item NO. motor shaftsMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, bronze, solder ... advance ,50% T/T before shipmentBusiness scopeCNC center machining, drilling, turning, grinding, tapping, mould design and processing, casting, sheet mental working ... be our great pleasure to be on service of you! motor shafts