Graphite Crucible, Graphite Block, Graphite Mold manufacturer / supplier in China, offering Melting Crucible Foundry Clay Graphite Crucible for Refining Gold Silver Copper Brass Aluminum, Copper and Aluminum Melting Crucible for Induction Furnace Molten Steel Smelting Slag Crucible, Wholesale Corrosion Resistant Clay Graphite Crucible for Melting Aluminum Alloys and so on.