High Speed Single Needle Zigzag Sewing Machine With Auto-Tri

This machine adopts simple wiper device, which enables 2 points zigzag seam and 4 points zigzag seam easily without machine changing, thus improving the efficiency of sewing machine.
By installing feeding device with height-changeable feeding dog, the machine can effectively prevent the side when sewing and the deviation when sewing on the flexible fabric.
And the machine use none-rotating bobbin, thus avoiding no-loaded rotating and also keeping appropriate pulling strength of the bottom thread.
Option device : Elastic attaching device.