... feldspar, marble, talcum, gypsum, kaoline, medical stone, rock phosphate, manganese ore, iron ore, glass, ceram, active carbon, carbon black, fireproof materials, heat preservation ... .6-4.5555250×5000×55004R321643201601073160<250.613-0.0441.0-5.272.57700×7200×8800 Xinyuan Brand Carbon Black Grinding Machine ...