small processing machinery & parts belt pulley outer diameter 200 thick 60 produced by national standard can also come to map to order produ

support to hardware processing, to map processing, sample processing and other processing methods selected materials, carefully manufactured through multiple processes, to ensure sufficient materials with a number of iron bed, lathe, grinder, cnc lathe and cnc machining center, product output and quality are guaranteed many years of experience and strength the surface of the product is polished by multiple processes to make the alignment more accurate and the tolerance smaller.syi