... FACTORY ,PRODUCE :CAST IRON GRATE ,CAST IRON STOVE GRATE/PAN SUPPORT .QUALITY AND PRICE IS NO.1.Specificationsgrey iron casting part material: HT 150,200,250,300 ... request surface: galvanized/painting/anti-rusting qty:500 gray iron casting part1) Material: HT 150,200,250,3002) Standard: JIS, DIN, ASTM,BS ...