Erciyas Holding A.S. sold 26.9% stake in Ozbal Celik Boru Sanayi Ticaret Ve Taahhut Anonim Sirketi (IBSE:OZBAL) on May 7, 2018. Erciyas Holding A.S. completed the sale of 26.9% stake in Ozbal Celik Boru Sanayi Ticaret Ve Taahhut Anonim Sirketi (IBSE:OZBAL) on May 7, 2018.