three. Yal?t?m ve Yang?n Güvenli?i: Yang?na dayan?kl? kaplamalar ve ?s? yal?t?m? sa?layan malzemeler tercih edilmelidir.Çelik Yap?, which carries on on its way Using the duty of carrying out organization Together with the Newest and Highly developed companies of the global economy, always considers the quality and satisfaction it provides to its