Birlik Mensucat Ticaret ve Sanayi Isletmeleri AS engages in the manufacture, sales, and export of cotton yarn and textile. It offers towels, bathrobes, home textile products, curtains, mattresses, and bed bases under the trademark Soley. The company was founded by Ahmet Hasserbetçi, Arif Çetin, Mehmet Baldöktü, Fevzi Kizikli, and Saban Özhamurkâr in 1953 and is headquartered in Kayseri, Turkey.