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 For arc tooth type timing belt, it inculding: HTD---3M, 5M, 8M, 14M, 20M STPS/STS---S3M, S4. 5M, S5M, S8M, S14M RPP/HPPD---P2M, P3M, P5M, P8M, P14M GT---1. 5GT, 2GT, 3GT, 5GT, 8YU Should any of these items be of interest to you, please let me know! we will be happy to give you details!