automatic block plant special welding and molding craft Siemens ... the same.5.the system can diagnose the production line automatically.6. every production process can be showed on ... QT8-15,QT10-15 and QT12-15) economic production line(QT6-15, QT8-15,QT10-15 and QT12-15) ... well-chosen production line(QT6-15, QT8-15,QT10-15 and QT12-15) automatic production line fully automatic production line QT12-15