Birlik Mensucat Ticaret ve Sanayi Isletmesi A.S. engages in the manufacture and sale of cotton yarns in Turkey. The company offers cotton terry towels, bathrobes, home textile products, curtains, mattresses, and bed bases under the SOLEY brand. It also provides gabardine and poplin fabrics. The company was founded in 1953 and is based in Kayseri, Turkey.