... ,coke,charred coal as well as metallurgy powder,refactory material.Any powder materials which required to be press on ... products are egg-shaped ball, oval-shaped ball, circular-shaped ball, square-shaped ball, columnar-shaped ball, banding-shape ball, cake-shaped ball, etc. Furthermore, ... is a very key equipment in the ball forming product line. Variety of material can be briquette at the normal ...