... brick making machine is usually used to produce fired clay bricks with clay, fly ash, coal gangue, and shale etc JZ ... brick making machine is usually used to produce fired clay bricks with clay, fly ash, coal gangue, and shale etc as ... reducerZQ850ZQ750ZQ650ZQ500ZQ400Motor (KW)Y4/110Y4/75Y4/55Y4/37Y4/30 clay brick extruder