Graphite, Graphite Mould, Graphite Crucible manufacturer / supplier in China, offering Single/Double Ring Graphite Crucible for Precious Metal Mold, Graphite Square Boat for Rare Earth Metallugy Mineral Energy Powder Graphite Crucible, Graphite Crucible for Molybdenum Alloy Tungsten Carbide Metallurgy Powder Sintering and so on.