... forged parts,5) Manufacturing equipment (foundry used): cupola, electric furnace, resin-bonded, dry sand mix miller, quake press molding machine ... machine,normal lathe, line cutter etc.6) Testing equipment (foundry used): elongation tester, hardness tester, metallographic microscope, spectrometer, ... +86-411-83701520Fax:+86-411-83704610Contact: Catherine Chen Sand casting technology for cylinder cover