243kW high power engine, easy to cope with 12.5m working width; High construction efficiency and conveying capacity enables theoretical productivity reaches 1200t/h, effectively reducing the project duration and cost; 40kW high power frequency conversion generator, the screed base plate preheats quickly and can even work at below engine rated speed; Double tamper mechanical assembly screed, with high initial compaction density, good working quality, adapt to asphalt, water binder and other operating materials, meet the large width and depth construction needs, with super high cost performance.