With a built-in double-step structure, the thread cutting, presser foot lifting, and precise stepping controlof stitch length. The enlarged space operation platform, and the sealed oil tank; the upper differentialadiustment displav screen directlv controls the adiustment, which is convenient for operation and enablesmulti-functional scene switching. lt has the upper diferential fabric feeding function, which can handlevarious combinations of fabrics for sewing, without causing wrinkles. Through the smooth upper fabricfeeding trajectory, it achieves elegant and stable sewing quality, and significantly improves the layeringfabrics sewing problem.

The special differential presser foot and thelower teeth areused for compound feeding.and the upper feeding amount is adjustable

Head needle bar micro-oil

Double step motor structure precisely contro!trimmer, foot lifiting, stitch length