... equipment operation process.2.Brief steps1. Brick raw materials should be prepared. Such as clay, fly ash, coal gangue, ... the local standard.4. The model of bricks should be choosed, solid brick or hollow brick, If is hollow ... 5. The kiln for drying and firing bricks should be arranged, the tunnel kiln, annular kiln with dry ... in any of our product,please feel free to contact me! mud brick making machine