Having established EFOR STEEL in 2000 with his 25 years of work experience, H.Murat Duman has been active in Bayrampaşa until 2003. He has moved to İkitelli Organized Industrial Zone to provide better service to his customers with his potential. and Trade. LTD. Sti. The company offers the quality and service to its customers in the most favorable conditions by keeping almost all domestic steel and imported steel types in its stocks.