1.High quality Synchronous Drive 2.Scale production with lowest price 3.Exported for years ... 4.ISO9001-2008 certified 5. OEM Reach Jiayuan Synchronous Drive : 1.Straight-bore: MXL,XL,L,H,T2.5,T5 ... capability;3. no noise, high efficiency, low maintainance;4. lowest radial load on it's suppor Synchronous Drive MXL,XL,L,H