Dried brick bodies on the drying car get into unloading station. Unloading and setting on the kiln car with schedule patterns by labor power. Loaded kiln car can get into tunnel kiln by stepping unit and hydraulic pushing unit. The firing of tunnel kiln uses Heavy fuel oil or Kerosene as fuel. Fired products on kiln car are pulled out at the end of tunnel kiln by towed vehicle and get into unloading line or station by transfer car and another towed vehicle.