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