... ;2. On the premise of paving accuracy and leveling, the new multiple-detector ultrasonic controller could control the paving depth automatically ... functions. The basic width of mechanical assembly screed is 2.5m, and the max. paving width is 12m for the standard ... ,6,9,120,5,10Vibration frequencyHz0~420~50Extra-long screedmm1500×4,1000×2,500×2,250×2750×4 XCMG Asphalt Concrete Paver RP1356