... 3. 100% full inspection 4. excellent surface treatment Item NO. types of pulleysMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, ... conventional lathe machine, milling machine, drilling machine, EDM, wire-cutting machine, CNC bending machine etc.Service projectTo provide production ... SetsMilling Machine15 SetsRational Precision Inspection Instrument1 Sets types of pulleys