... . Ball Pressing Machine can be used to suppress coal , iron , coke , aluminum powder, iron , iron oxide skin, toner , toner , slag , gypsum, tailings ... , copper powder, lead powder, etc.) , metallurgical additives, sponge iron, etc., without adding any binder pressed into the case of ... Loose on the local materials, such as coke, iron skin, dust powder effects of sludge and other materials is very ...