... )Little wear rate with 30,000-50,000km life truck brake lining1.Meterial: Adopt the newest environment friendly material ... :copper base,fe-based, carbon base non-asbestons, half metal, pottery, NAO, ect2. Advantage: 1) Stable Friction Coefficient ... , green products 7) Standard:Gb5763-19983 Application: Heavy Duty Truck, Train, Bus, Automobile, Petroleum drilling machine4 Hundreds of formula ...