Coconut Shell Activated Carbon, Coal Based Activated Carbon, Coal Based Pellet Activated Carbon manufacturer / supplier in China, offering 9.0 Hardness Abrasive Grade Black Silicon Carbide Corundum for Polishing Grinding, Pink Garnet/Almandite Garnet/Abrasives Garnet Sand 80 Mesh, Top Grade Black Fused Alumina as Abrasive Material and so on.