This series of machines is a new type of feeding mechanism that uses upper and lower feeding teeth and operates independently;

By combining an increased differential ratio and superior fabric feeding performance, the misalignment phenomenon that is prone to occur during sewing can be eliminated;

It is easy to combine different fabrics together, making difficult operations such as winding and rolling edges simple and feasible.

Widely applicable for overlapping seams and decorative seams of various fabrics such as clothing, underwear, bedding, thin packaging, and leather products.