... Fault dignosis and long-distance contrlollingis eas QT9-15 SEMI-AUTOMATIC BLOCK MAKING MACHINE Main Production Specification and Theoretical Productivity Sample SizeQuantityCycle mouldingPer ... 12000pcs QT9-15 It is controlled by PLC.person and machine have a conversation with computer.Fault dignosis and long- ... , road pavings, squares, gardens, landscaping, city constructions, etc. Block making machine