1.coal press machine with high quality and efficiency ... , copper scrap, aluminum scrap, etc.), granular powder metal powder (iron powder, aluminum powder, copper powder, lead powder, etc.) , metallurgical additives, sponge iron, ... materials become a finished product from the powder ball.Pressure Ballmachine Main Technical Parameter:ModelReducerspeed ratioThe ... *43.42*2*2.2 coal powder ball press machine