... Characteristics of QT9-15 type brick making machine:01,High quality. The body use special welding technology, using super ... s strong and vibration fatigue resistant.02,Easy operation, High degree of automation, choose the Germany Siemens CPU and ... Aerating-and-conveying System, Feeding System, Molding System, Automatic Stacking System, Hydraulic Pressure System and Electric Control System.Technical ...