... for users to choose.Scope:1.Such as, coal powder, charcoal powder, metallic powder (Fe / Si powder), iron scale, iron sludge, precipitator dust, iron ... Machine can be used to suppress the pulverized coal, iron, coal, aluminum, iron, iron oxide, carbon powder, charcoal powder, slag, gypsum, ... smooth off the ball.The machine for loose materials, such as powdered coke, iron oxide skin and dust ash, slime, ...