It's mainly used in producing coal-based eggs,all kinds of metallurgy power production of pellets,charcoal,coal duse,sludge New strong pressure ball machine is mainly used in producing coal-based eggs, all kinds of metallurgy powder production of pellets,charcoal,coal dust, sludge Feature :1.No waste, no intermission, no noise, automatic lubrication2.long service life, reliable performance, safe ...