... . Ball Pressing Machine can be used to suppress coal , iron , coke , aluminum powder, iron , iron oxide skin, toner , toner , slag , gypsum, tailings , sludge ... , copper powder, lead powder, etc.) , metallurgical additives, sponge iron, etc., without adding any binder pressed into the case of ... sides and roll rotation, in both the rotating roll,Natural materials to enter the ball roll mode, with the ...