Timing gears(pulleys),tooth type,XL,L,H,HTD,AT,T and so on. the minimum Dia,9mm,the biggest Dia,500mm,can be with tapered hole. Our products: Timing gears(pulleys),tooth type,XL,L,H,HTD,AT,T and so on.the minimum Dia,9mm,the biggest Dia,500mm,can be with tapered hole and flanges. Advantage: Our company can provide the most satisfactory pulleys (OEM) according to the customers’ drawings and ...