Coconut Shell Activated Carbon, Coal Based Activated Carbon, Coal Based Pellet Activated Carbon manufacturer / supplier in China, offering 1-3mm 3-5mm Shaft Calcined Bauxite Sand for Casting Refractory Materials, Refractory Grade Calcined Bauxite for Anti-Skid Road Pavement Material, High Temperature Resistance Calcined Bauxite for Sale and so on.