... raw materials for pelletize or press ball, such as coal dust, aluminum powder, active carbon, aluminum oxide, bauxite, causticity sodium, charcoal, clay ... , the materials become a finished product from the powder ball.3, Main parameter: Powder:11kw; Capacity: 50t/h, 150,000t/year; ... Applicable: Coal, Mineral powder and so on; Modle no.: 2 roller;4, Picture: 5, ...