Main features: applicable to national roads and above, medium and long distance standard loads, guide wheels and trailer wheel positions of heavy vehicles; The new tread formula design makes the tire have super wear resistance; Thickened steel cord, special overload design, the tire has stronger load resistance; The tread pattern is deepened, the mileage is higher, the tread profile is optimized, and the ground pressure distribution is more uniform; Widen the width of driving surface, larger grounding area and better wear performance; Optimizing the structural design of the strap layer and increasing the crown stiffness and flexibility can ensure the uniform wear of the tire