Barite Ore Grinding Plant Knock Heavy Machinery - two self-ownedbarite mines, owngrinding plantwhich is close to river loading port, customs clearance could be handled in factory, then load on barge and deliver to your destination port directly. - stable annual supply with about 60,000 tons foroil drilling grade, 25,000 tons for paint grade, and 15,000 tons for chemical grade.