Coal Briquette Ball Press Machine A) CE certification B) Low consume C) Highly active Coal Briquette Ball Press MachineThis series ... active carbon, aluminum oxide, bauxite, causticity sodium, charcoal, clay ,braize ,coal, cryolite, chemical fertilizer, plastic, lime stone, pigment ... 4 rollers double mechanical pressFeed materials: coal dust, coke powder, ferrous and non-ferrous metal powder, ferric ...