Graphite Block, Graphite Powder, Graphite Mold manufacturer / supplier in China, offering High-Purity, High-Thermal Conductivity Graphite Crucible Used to Smelt Various Metals Such as Iron, Copper, Zinc, Lead, etc, Aluminium Metal Melting Silicon Carbide Large Graphite Crucible, 99.9% Purity High Strength Graphite Crucible for Rare Earth Metal Smelting and so on.