What Does Four Needles And Six Threads Mean?
The four-needle six-thread process is mainly used for stitching together and joining together.
Splicing is the internationally recognized ISO607 splicing.
It has a strong dynamic sensitivity. It consists of four upper threads, one bottom thread and one Hashu thread. It has a unique high-elasticity, flatness, and high-strength stitching effect.
as the picture shows：