... production4.customized mould Coal briquette machine :It is used for making coal fines, coke fines, charcoal powder, carbon black, iron ore ... iron fines, mill scale, manganese ore fines, phospho gypsum powder and other material fines into briquettes. These briquettes can be ... shape, egg shape, pillow shape, square shape etc. This machine is widely used in coal industry and metallurgy industry.Features ...