Nankang SL-6 The directional V-shaped groove pattern increases the tire's stability The three-dimensional design shortens braking distances on icy surfaces The silica added to the tire's tread compound and the tread pattern improve the tire's performance on ice and snow Taiwanese Nankang is one of the oldest and most traditional tire manufacturers in Asia, with know-how and technology that are at the top of its field. Nankang has strong experience in manufacturing winter tires designed for the Nordic countries, and the high-quality Nankang winter tires have also received good reviews in the tire press.