... ,000 models of brake pad)Materialsemi-metallic Non-asbestos, semi-metallic with copper powder, CeramicCertificationISO9001:2000Size 159*56*16. ... experience0ver 6 yearsYear out put1 million sets Material:1. Semi-metallic Non-asbestos (Our most mature material)Guarantee: over ... 30,000 kilometers (In normal road condition) 2. Semi-metallic with copper powder (more stable and wearable)Guarantee: 40 ...