Coconut Shell Activated Carbon, Coal Based Activated Carbon, Coal Based Pellet Activated Carbon manufacturer / supplier in China, offering 0-1mm/1-3mm/3-5mm 85% Al2O3 Calcined Bauxite for Casting, 0-1/1-3/3-5mm Rotary Calcined Bauxite 85% for Anti Skid Road Surface, High Quality 86% Al2O3 Welding Shaft Calcined Bauxite Powder and so on.