Graphite Crucible, Graphite Block, Graphite Mold manufacturer / supplier in China, offering 100kg 200kg 300kg 400kg 500kg Isostatic Silicon Carbide Graphite Crucible for Copper Aluminum Melting Foundry Casting Crucible, High-Density Silicon Carbide Graphite Crucible Exceptional Thermal Conductivity for Demanding Metallurgical Applications Melting Metal, High Quality Silicon Carbide Graphite Crucible Copper Melting Cup Aluminum Casting Pot for Induction Furnace Foundry Ladle and so on.