High Speed Computerized Embroidery Machine RGH615/400(800)/1200 high efficiency , high-accuracy, widely use of embroidery of clothing, handbag, ... of working effectively, machine is more stable.5. special high speed head, locking up-thread automatically,stepping motor lock head , ... motor, X and Y motor All used with servo motor7. endurable parts with high precision, such as Japan Rotary Hook, Japan ...