... needs an instrument of ball press machine, such as: coal dust,coke powder, ferrous and non-ferrous metal powder, ferric ... Adaptable to wide range of materials;free adjustment of grain intensityaccording to different materials. 5.Compact structure,easy ... steel,Titanium,Chromiumand other surface alloy,which greatly improves the resistance to abrasion,corrosion,high temperature and pressure,giving ...