Machine Equipments: Skiving And Roller Burnishing Machine The product is an epoch-making revolution in the hydraulic maching equipment area, which owns several patents in innovation and design after elaborate development by our strong engineering team. It is mainly applicable in machining of hydraulic cylinder hole. - It adipts international advanced compound machining techinics of boring and rolling. - It's perfectly finished within one single to and fro simple movement. - The machine adopts SIEMENS control system. - Precision : grade IT8. Surface roughness: 0.20m. - The machine advances effeiency by 15-20 times compair with triditional processing, it is unblievable to save time largely around 85%.