... OEM Enamel iron casting, Iron casting, cast iron stove grates, grey iron casting, cast iron gratesOur Factory:We can offer all kinds of ... for we have been awarded with ISO9001:2000.The Advantages:cast iron grate with good porcelain enamel resistance.For example: ... shock test, Fire testing,Impact test and salt spraying Cast iron grate, cast iron grid with high quality resistance.Coating : matte black ...