Apr 14, 2021 Mineral Stone Grinding Machine Grinding Ball Mill Powder Making Mill, Gold Mining Ball Mill, Gold Mining Machine Rotary Kiln, Benefication Equipment, Stone Crushing and Screening Plant, Sand Making Production Line, Mineral Ore Separation Equipment, Ball Press Machine Briquette Machine. City Province. Zhengzhou, Henan, China.Ball mills will grind the crushed ores to be powder in proper size. The powder is the mixture of mineral and gangue. The power will be feeding the seperation equipment like flotation cells, magnetic separators ore shaking tables for separate the minerals. So ball mill is a key equipment for mining industry. ZJH minerals is a professional ball.