... ,non-asbestos Certification:ISO9001:2008 & SGS TEST Hangzhou Yongli Friction Material Co., Ltd, specialize in the production of semi-metalic, ... annual production capacity have reached to 8,000,000 sets.MATERIAL :Semi-metallic, Non-asbestosCERTIFICATION :ISO 9001:2008, SGS ... , Africa, Europe, USA, etc.PRODUCT FEATURES :1) High Friction Coefficient, Low Noise,Wear Resistant;2) Good Thermal Recession and ...