Computer high speed direct drive lockstitch sewing machine with integrative computer controller, can be used when it's plugged in electricity, avoid the problem of all kind of plugs chaos and installing. It has auto-trimmer, automatic needle positioned, automatic needle counting, automatic thread wipe and so on. It uses good feeding mechanism, which greatly improves the production efficiency. it's internally installed bobbin winder which is elegant and easy handle. Low noise and environmental friendly.