Double step lengthening pattern flat sewing machine 

Main Features & Specifications Double stepper motor Automatic presser foot lifter Automatic thread cutting function Front and rear backtackfunction Front and rear backtack function Stepper motor directly drives thread loosing Fully sealed oil pan More quiet, Super smooth,Low consumption,High quality Electronic less nest device/needle stitch compensation,LED lamp,and button reverse sewing combined in one part Super USB interface Double knifes thread cutting,thread end ≤0.3mm, no need to trim Easy sewing from single-layer gauze to multi-layer denim Dual stepper motor,responsive and easier to sew Cloud database, QR code scanning, quick access