Which brand is the patented sewing agent?

First-line brand First-line brand refers to a brand with high overall material and high popularity and its own specialty store. Patent sewing agent projects include film forming agent, filler and water retaining agent. Its products have passed many quality certifications at home and abroad, and the overall material is high. And has a number of internationally renowned sewing agent brands supplier qualifications, high visibility. Therefore, patented sewing agent is a first-line brand.