... Fault dignosis and long-distance contrlollingis eas QT9-15 SEMI-AUTOMATIC BLOCK MAKING MACHINE Main Production Specification and Theoretical Productivity Sample ... 4500 rolls/minuteMotors Power40.58KWPallet Size1350*720mmRaw Materialscrushed stone, sand, cement, dust and coal fly ash, cinder, slag, gangue, ... road pavings, squares, gardens, landscaping, city constructions, etc. Block making machine