The machine adopts automatic lubrication system and the mec-hanisms of the needle-bar,thread tack up and feed dog are exce-llently improved by using the structural alloy steel,therefore the running noises and vibrations are minimized signifiacantly,that the machine is operated under the quiet and comfortable circum-stanc..

The machine adopts oil pump automatic lubrication,link feeding mechanism,and full-obturate backboard structure,the machine operates smoothy with character of low noise,low shake. The machine adopts adopts Min computer control revolving thread trimmer mechanism,automatic reverse-feed sewing funtion,it¡¯s especially availa..

Is a new product of heavy duty lockstitch sewing machines.It is designed with link thread take-up,large rotating hook,link top and bottom feeding mechanism and presser foot alternating mechanism.it has the features of outstanding heavy duty sewing.outstanding multi-layer sewing capability,narrow stitch length difference be..