... CE certification B) Low consume C) Highly active Coal Briquette Ball Press MachineThis series ball press can made ... , such as aluminum powder, active carbon, aluminum oxide, bauxite, causticity sodium, charcoal, clay ,braize ,coal, cryolite, chemical fertilizer, plastic, ... metersPressure type: 4 rollers double mechanical pressFeed materials: coal dust, coke powder, ferrous and non-ferrous metal powder ...