... customer. Coal , Ball Press Machine, OEM Manufacturer in China,20t/h1,Ball press machine: Ball press is ... reducer.The two sides and roll rotation, in both the rotating roll,Natural materials to enter ... of materials has reached the peak. Tremendous pressure in the role of line, the materials become a ... ball.3, Main parameter: Powder:55kw; Capacity: 20t/h, 50,000t/year; Applicable: Coal, Mineral powder and ...