We factory have padssed ISO9001 and ISO14001 system certificate Wespecialize in producing various rubber timing belt, doule sides tooth timing belt, auto timing belt, multi-wedge belt, Flat belt etc rubber drive belts and its auxiliary pulleys series products. And PU material belt Double tooth sides timing belt, all the following tooth types can be produced for doble tooth sides belt: 1> T-type tooth : MXL, XXL, XL, L, H, XH, XXH, T2. 5, T5, T10, T20, AT5, AT10, AT20 2> Arc-type tooth HTD---3M, 5M, 8M, 14M, 20M STPS/STS---S3M, S4. 5M, S5M, S8M, S14M RPP/HPPD---P2M, P3M, P5M, P8M, P14M 3> ---also, we can do special according to your drawing and requirement. Should any of these items be of interest to you, please let me know! we will be happy to give you details!