Featuring reliable quality, excellent working performance, and high cost-performance, RP903 paver is one important model of 3 series large pavers and can be extensively applied for the paving of highway pavements of diversified grades. The application of the nowadays world's most advanced technologies, including full-hydraulic drive, computer control, left and right independent drives, ultrasonic material level sensing control, electronic automatic leveling, and tamper compacting, realizes the advantages of good paving stability, uniform material conveyance/distribution and supply, high pre-compactness, good road evenness,  comfortable operations, convenient maintenances, and energy-saving and environmental-friendliness. The critical supporting parts of this machine adopt imported products to realize leading level of manufacturing quality and reliability among like imported products. This machine is an ideal equipment for paving of road asphalt concrete materials.