... doubling stitch,missed loop) 7. Stitch fineness,with marching motor to control, with 24sections for selection, adopt subdivision technology adjusting ... and widening fabrics 9. Sari system,computer program instruction, with force distance motor to control and 24sections for selection, ... as much as possible 13. Other, head saddle is dealt with by heat. 14. Power, 220V, adopt advanced CMOS technology, ...