auto disc brake pads 1) Stable friction coefficient auto brake pad 2) No dusty, rust ,no noise, non-pollution 3) Good price auto brake pads ... . Semi-metallic Non-asbestos (Our most mature material)Guarantee: over 30,000 kilometers (In normal road condition)2. Semi-metallic with ... of brake pads, pls do not hesitate to contact us,we’ll supply the high quality and best price to you. auto disc brake ...