Zhengzhou Huaye Heavy Industry Machinery Co., Ltd. is a heavy machinery manufacturer subordinated to China Mechanical Industry Mechanization Construction Controlling Company. The leading products include whole set mine-selecting equipment and sandstone equipment, such as ball mills, crushers, grinders, magnetic separators, flotation machines, classifiers, driers, sand-makers, vibrating screens, sand washers, conveyors, block making machines and AAC equipment. Mine-selecting equipment is applicable to select non-ferrous metal ore, such as iron, copper, gold, silver, lead, tungsten, molybdenum...