Mining Grinder Minerals Gold Ore Processing Plant Ball Mill Machine. US $20,000-100,000 / Piece. Rotary Kiln Equipment for Cement, Lime, Clay, Bauxite Calcination. US $1,000-500,000 / Piece. Ball Mill with Large Diameter Sizes. US $20,000-400,000 / Piece. Wet & Dry Clinker Cement /Limestone Slag Grinding Ball Mill/Rod Mill.