1.High quality Synchronous Belt Drive 2.Scale production with lowest price 3.Exported for years ... 4.ISO9001-2008 certified Reach Jiayuan Synchronous Belt Drive : 1.Straight-bore: MXL,XL,L,H,T2.5,T5 ... .Taper-bore: L,H,XH,5M,8M,14M;3.Timing pulley bar: MXL,XL,L,T2.5,T5,T10,AT5,AT10 ... ;4. lowest radial load on it's support Synchronous Belt Drive