... 100% full inspection 4. excellent surface treatment Item NO. types of pulleysMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon ... steels, or as per the customers’ requirements.DimensionsAccording to customer’s drawingSurface treatmentHeat treatment, polishing, PVD/CVD ... machine, roughness tester, hardness tester and so on.Minimum order quantitynegotiableDelivery7-15 days after T/T ...