1.LU-HDP-5-600 chemically bonded brick production line 2.LU-HDP-15-600 chemically bonded brick production line 3.LU-HDP-25-600 chemically bonded brick production line 4.LU-HDP-5-600 ceramic brick production line 5.LU-HDP-15-600 ceramic brick production line 6.LU-HDP-25-600 ceramic brick production line