WSK founded in 2001, is part of the Sumbiri Group established since 1973. The Sumbiri Group is involved in joint venture with Stretchline, Matsuoka Winner Industry and MAS Sumbiri.
WSK specializes in circular and warp knits (satin nets, shiny satin knits, satinettes, simplex knits, Powernets…) produced with the latest generation of Karl Mayer machines: 55 flat knitting machines and 16 circular knitting machines. WSK also provide a wide choice of finishing details (silky touch, glitter…) or dyeing possibilities for the lingerie, swim, shape, yoga, activewear market as well men’s intimates.
Clients include PVH (Tommy Hilfiger, Calvin Klein), Wacoal, Spanx, Warnaco, Maidenform, Vera Wang, Wonderbra, C&A, H&M, and Target.
WSK is a certified Green Company. The offer includes knits made with recycled fibers, and the company treats 70 percent of wastewater which then returns to the manufacturing cycle. Care is also taken to limit polluting substances in the air and water.