... : stainless steel, carbon steel, alloy steel ,iron ,alloy, 2.Standard: ASTM\DIN\BS\JIS3.Surface finish: passivated, stain polished ... machine, shot-blasting machine, sand-blasting machine, pickling line.2.Machining facility: CNC machine, linear cutting machine, NC milling ... facilityspectrometer, tensile test machine, hardness test machine, mircoscope. China! new! Marine Hardware precision casting part