... 3.Type: cnc machining 4.Finish: Zinc/Chromat nignbo factory cnc precision machining stainless steel pulley Our Advantages :Over ... ) Processing equipments:CNC machining center, CNC lathe, grinding machine, automatic lathe machine, conventional lathe machine, milling machine, drilling machine, ... => Packaging => Final Random inpsection by QA Products pictures:Factory pictures:ISO 9001:2008 Certificate: