1, patent, no need repair 2,SIMENS system 3, AC servo motor 4, full float clamp 5, CE and ISO9001 ... structure, firm and durable.Main components:CNC system, ball screw, linear guide, servo system, hydraulic power system, magnetic valve, cylinder, proximity switch, power ... long time precision and high reliability.4) Hydraulic power system is imported from Germany to assure the machine power performance ...