... spare parts for free4. vibration system: this system adopts multi-sources vibration syste,, which make sure the vibration frequency ... on every points in the table are the same.5.the system can diagnose the production line ... 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 ...