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YF872 (heavy material big hook)
    Publish time 2017-08-30 08:49    

                                                                  Double needle lockstitch sewing machine

This machine adopts two straight needles, vertical-axis rotating hook with self-lubricating feature for catching
thread loops and sliding cam take up to produce two lines of double lockstitch.
 The needle bar can be engaged
and disengaged mechanically, also the arm shaft and hook shaft 
are supported by ball bearings. Needle bar and feed dog
synchronous feeding way 
can effectively prevent the cloth slip. Suitable for sewing shirts, uniforms, jeans and decorative sewing on bags.