Product Specification/Models: TR601, Product Feature, 1. Up-to-date thread pattern provides outstanding grasping force, more balanced braking performance. 2. Brand-new thread design for strong wearing resistance, widened thread, improving anti-wearing capacity. 3. Lightens the tires, and saving the oil consumption by losing weight for tires TR618, Product Feature: 1. Three folds in thread patterns design, provides excellent wet skid resistance and eccentric wear prevention capability 2. Unique thread design, low heat generation, advanced anti-wearing performance 3. High anti-skidding performance, high speed performance 4. Suitable for: all wheels of vans and tractors 5. Outstanding on: paved roads like the national road, roads in urban and rural areas. TR668, Product Feature: 1. Three folds in thread patterns provide good road adaptability, 2. Irregular distance thread patterns bring down the noises hugely when it moves. 3. Open shoulder design can cool down its temperature effectively. 4. Suitable for: all wheels of trucks for middle and short distance driving. 5. Outstanding on: mixed roads like the national road, roads in urban and rural areas and construction sites, etc. Minimum QTY:40HC.