Perfect anti-flexibility,little pertension required,high mightiness SUNTE Automotive timing belt uses CR or HNBR as main rubber material, produced strictly according to technical standard. The belt has the feature of perfect tooth shape, long service life, less noise, high force of driving, better driving precision, better wearable performance. TypeTeeth NumberR(MR)70 78 89 92 94 97 101 102 103 ...