... suppress coal , iron , coke , aluminum powder, iron , iron oxide skin, toner , toner , slag , gypsum, tailings , sludge , kaolin , ... , transportation, heating , etc. , produced by the compression molding machine after the ball materials , energy saving , easy to transport , ... good economic and social benefits.charcoal briquette machine Features:coal briquette machine 1. High quality and efficiency 2. ...