... Pressing Machine can be used to suppress coal , iron , coke , aluminum powder, iron , iron oxide skin, toner , toner , slag , gypsum ... iron, copper scrap, aluminum scrap, etc.), granular powder metal powder (iron powder, aluminum powder, copper powder, lead powder, etc.) , metallurgical additives, sponge iron, etc ... on the local materials, such as coke, iron skin, dust powder effects of sludge and other ...