Maximum embroidering speed: No less than 1,000 stitches/min (stitch length 5mm); basic data format: binary system and ternary system; maximum needle trace distance: no more than 12.7mm for binary system and 12.1mm for ternary system; needle trace resolution: 0.1mm; needle trace storage: no less than 500,000 stitches; pattern storage: no less than 99; needle: Nm75~Nm110; thread: 14.5tex/2sz cotton sewing thread (GB/T 6835), 14.8tex/2sz terylene sewing thread (GB/T6836) or similar thread.