... high efficiency, fine powder, big capacity, stable operation and easy maintenance. 1. Zhongbo Grinding Mill Ball Mill ... material, refractory material, fertilizer, ferrous metal, nonferrous metal and glass ceramics, etc. 3. Zhongbo Grinding Mill Ball Mill ... part, discharging part, turning part and driving part (reducer, small driving gear, electric motor and electric control). 6. Zhongbo Grinding Mill ...