technical feature: .drumless,fully automatic electronic control system .servo motor driving system .new take-down equipment brings high speed and low noise .can knit any design of pattern .new design bearing improving the precision .electro-pneumatic yarn feeder,bolt cam control .lcd display and two language exchange .various sensor for obstacles(yarn broken,defected needle,selector cutting,electic obstacle) .can knit "y" form of heel part .automatic central lubrication device .high efficiency and precise actuator 12 step .equipment 6 yarn feeder .design in computer and data input through usb