... of briquettes, such as Coal powder, Coke powder, Lignite, metal magnesium powder, aluminum powder, aluminum bauxite, graphite powder etc. to the pillow, oval ... or bread shaped briquette.Raw materialscoal dust, Iron Powder and metal powder ... 371 86111808Fax: +86 371 86111858Skype: eppressing Dry powder briquette machine