... use import ball screw and linear orbits 3)TAIWAN Delta system GX-3030 high-precision Mould CNC Router Features1. whole cast ... sure the accuracy and reposition precision.3. TAIWAN Delta system, This system has break point memory mode and special saving mode of ... stable.5. Adopt high-speed water cooling variable frequency motor, big torque, strong cutting, high-frequency , long-lifetime, can be a long ...