上送牙装置

双层面料不易错层，压骨、折下摆更平整美观，不起波纹。吃厚能力更强。

Upper feed-dog feeding device

The double-layer fabric is not easy to be split,and the covering and bottom hemming aremore flat and beautiful, and there is no ripple.It is able to sew more thicker fabrics.

上送牙驱动结构

上送牙驱动结构完整、合理，零件更精密。

Upper feed-dog drive structure

The upper tooth feeding drive structure is completeand reasonable, and the parts are more precise.

上送牙调整刻度盘

上送牙调整便捷、精准。

Upper feed-dog adjustment dial

The upper feeding teeth can be adjustedconveniently and accurately.

适用于高端缝制，双层面料缝制不易错层，使压骨及折下摆车缝更平整美观，不起波纹，吃厚能力更强。

lt is suitable for high-end sewing, and the double-layer fabric is not easy to be staggered, so that thecovering and bottom hemming sewing is more flat and beautiful, without ripples. it is able to sewmore thicker fabrics.