... 100% full inspection 4. excellent surface treatment Item NO. belt pulleyMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon ... , bronze, solder alloy, HSS, tool steels, or as per the customers’ requirements.DimensionsAccording to customer’s ... spraying, and painting and so on.PackingWooden box, or as per the customer’s requirementsProcessing equipmentsCNC machining center, ...