... Mainly used for processing charcoal,coal dust, sludge,coke breeze, coking coal,refractory mate SpecificationsBall press/making machine ... used for processing charcoal,coal dust, sludge,coke breeze, coking coal,refractory materialsBall press machine/ball making ... machineMainly used for processing charcoal,coal dust,coke breeze, coking coal and metallurgical powder cold-pressing ball, ...