... environment-friendly friction material.Semi-metal,little-metal,organic and ceramic qualities satisfy different requirements.Meanwhile we also can ... ,Hummer,Lamborghini,Rolls-Rayce,Lincoln,Maserati,Maybach,Spyker,Rover,Morgan.Ect.Surface Treatment of brake pad:1.- Ways: ... 30,000-50,000Kms3.-Semi-metal,little-metal,organic and ceramic options4.-Stable friction coefficient,reasonable wearing rate5.- ...