... Materials 1.Special heating graphite for Industrial Furnaces 2.Vacuum temperature:2200centdegree. carbon Composite Materials :1.The carbon compound materal ... on heat-treatment furnace, metallurgy tower electric muffle furnace necessary plate, rods and bars, crucible, heater, crucible request, conduction current ... Kaifu District, Changsha City,Hunan,China carbon Composite Materials in high temperature