Graphite Crucible, Graphite Block, Graphite Mold manufacturer / supplier in China, offering Smelting Non-Ferrous Metals Crucible High Purity Graphite Crucible and Quartz Crucible for Gold Silver Copper Melting / Refining, Aluminium Oxident /Alo Ceramic Foam Filter for Aluminium Alloys Casting, Zirconia Ceramic Foam Filter for Stainless Steel Casting and so on.