At UNIONWIN, we specialize in Woolpile, Wool Pile Weather Strip Manufacturing and Wholesale UNIONWIN, a leading manufacturer in the industry from China, offers a diverse range of plastic and metal components. With over 50 extrusion machines, 30 injection molding machines, and 50 weaving machines, our factory is equipped to handle large-scale production. We provide customized solutions in material, shape, color, and packaging.