... 100% full inspection 4. excellent surface treatment Item NO. types of pulleysMaterialsIron, aluminum, steel, copper, plastic, carbon steel, ... PVD/CVD coating, galvanized, electroplating, spraying, and painting and so on.PackingWooden box, or as per the ... machining, drilling, turning, grinding, tapping, mould design and processing, casting, sheet mental working etcApplicationAutomation machine, medical ...