Graphite Block, Graphite Powder, Graphite Mold manufacturer / supplier in China, offering High Purity Isostatic Graphite Crucible Used for Multicrystalline Silicon Single Crystal Growth Furnace., Isostatically Pressed Customized Graphite Crucibles Are Suitable for The Melting of Rare Earth Metals., High Density Graphite Crucibles Are Used for Nitrogen-Oxygen Analyzers. and so on.