... .11 years OEM manufacturer 4.excellent surface treatment Item NO. motor shaftsMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, bronze, ... measuring machine, projection machine, roughness tester, hardness tester and so on.Minimum order quantitynegotiableDelivery7-15 days after T/T 30% depositPaymentT ... ask us, it would be our great pleasure to be on service of you! motor shafts