Single needle computer roller

Single needle computer roller FEATURES: It suit for arc article as top grade leather shoes,gym shoes,luggage,gloves etc. It is the top grade product in the post bed series sewing machine,it has the beautiful and novel appearance . Accurate and uniform stitches,which could be adjusted freely,adopt ball bearings,running lightly and easily! Material in synchronization,drive the upper and lower shaft by high pericition. Synchronization tooth-belt,make excellent performance of