Truck Radial Tires Catalog Model: YTHT4,YTH6,YTH7,YTH8 Description: 1.Suitable for full directional,expressway and fine condition roads. 2.Grooves designed on shoulder prevent from irregular wear. 3.Great anti wet and skid performance and outstanding handling property. 4.Special small protrusions in grooves prevent tire from pricking and reinforce self cleaning capability. 5.Low rolling resistance. The products have successful certified by E-MARK, the United States DOT, Brazil INMETRO, 1509001: 2000, CCC certification, and other domestic and international quality system certification.