... rate; 4)Stable and durable. Charcoal powder briquetting machine Charcoal powder briquetting machine is mainly used to suppress charcoal powder, toner ... , powder, waste. It can press materials into square, ball egg-shaped, round, oval, and round column, line, bar, ... pillow type and other special shapes. Charcoal powder briquette machine is widely used in refractory, power plants, metallurgy, chemical ...