ISTANBUL (Turkey), November 27 (SeeNews) – Turkish visual communication products provider Say Reklamcilik Yapi Dekorasyon Proje Taahhut ve Ticaret [BIST:SAYAS] said it has acquired a 13.04% stake in local firm Ates Celik Insaat Taahhut Proje Muhendislik Sanayi ve Ticaret.