... be custom-made; 2, Test at workshop with the customer. Coal , Ball Press Machine, OEM Manufacturer in China,20t/h1,Ball press ... in many range, this machine can press the raw materials for pelletize or press ball, such as coal dust, aluminum powder, active ... ,000t/year; Applicable: Coal, Mineral powder and so on; Modle no.: 2 roller;We will test the machine at workshop with customer ...