Preselected needle dual system computerized flat knitting machine GT2-52H Single head and double system. This series is a fully automatic computerized flat knitting machine without a bottom plate device. It adopts digital technology to realize the needle turning, eye lifting, hole picking, jacquard, open and close stitching and other regular pattern knitting functions. Can weave basic knitting organization (four flat, single side, etc.) multi-color random jacquard, twisted weft, etc. It is suitable for knitting sweaters, scarves, hats, and clothing accessories of raw materials such as real thread, silk yarn, synthetic fiber, wool, eyeglasses, blends, and yarn.