Graphite Crucible, Graphite Block, Graphite Mold manufacturer / supplier in China, offering High Temperature Graphite Gasket for Metallurgical Operations Sealing Rings, High-Pressure Resistance Flexible Graphite Packing Ring / Expanded Carbon Graphite Valve Seal Ring for Reactor Sealing, Special Refractory Material Silicon Carbide Ceramic Filter Foam Plates and so on.