... PRODUCTION EFFICIENCY. SPEED CAN REACH 700RPM4 IT DOES NOT NEED BOBBIN THREAD WHEN EMBROIDERING, WHICH IMPROVE EFFICIENCY AND REDUCE EMBROIDERY COST ... GARMENT, SHOE, CAP, INSOLE, HOME TEXTILE AND CRAFTWORK.7 AUTO COLOR CHANGE, AUTO TRIMMER, AUTO THREAD BREAKAGE DETECTING.DURING EMBROIDERING, WHEN THREAD BROKEN OR ...