... Description Shengzhou Hengli Industrial Belt Co., Ltd. Is one of the leading manufacturers of timing belts. Product range: 1. Industrial Rubber Timing Belts MXL ... , S4.5M, S5M, S8M, S14M, S20M, RPP3M, RPP5M, RPP8M, RPP14M & Double Sided 2. Poly V Belts(Ribbed Belts) PH, PJ, PK ... , T10, AT5, AT10, MXL, XL, L, H, 3M, 5M, S3M, Double sided, *T10-3040 special belt 4. Polyurethane(PU) Timing Belts ...