WINTER TIRE 3D THREE- DIMENSIONAL ZIGZAG PATTERN DESIGN ENSURES THE RIGIDITY OF THE PATTERN PIECE WHILE IMPROVING THE GNIP,EFFECTIVELY PREVENTING SKIDDING ON THE ROAD SURFACE OF RAIN AND SNOW. REINFORCEMENT DESIGN,IMPROVE THE PATTEM BLOCK STABILITY,IMPROVE CONTROL PERFOMANCE AND BEARING CAPACITY. WIDE TIRE SHOULDER WITH TRAPEZOIDAL MOUTH DESIGN, IMPROVE GNIP, PROVIDES EXCELLENT HAN-DLING.