1Top Sufface: wear resistant chloroprene rubber compound 2 Tenson glass fiber 3 Base: shear resistant chloroprene rubber compound 4 Cover nylon cover Specification: Heat Cresistance: 90-100 Life Guarantee: 70 thousand kms Automotive V-ribbed belts used in the drive generators, fans, water pumps, air compressors and power steering systems and other gear transmission, sub-transmission mode based on single-sided ribbed,double-sided belts. Our v-ribbed belts are produced by advanced foreign technology and imported equipments, our main raw materials for product (such as frame materials, rubber, etc.) are imported from abroad leading professional companies. Our v-ribbed belts have passed national technical verification, won the title of "National Key New Product". Our product's quality has reached the advanced and same level as foreign renowned brand.