All the production processes occur in the formation of ZECEL, Zeman Çelik Yapı Sanayi Tic. A.Ş, in Sakarya Hendek II.OSB where the formation has setteled on 30.000m² open space, and which has also 13.500 m² indoor space. Due to the renewal of technologic engine park in 2009, it has a small labour content in production automation whereas the production Standard, quality and the capacity of formation has been increased. In additon to steel production in Zecel formation, the cold production departmant which facilitates the manifacturing of colletarel materials that is used in steel constractions also exists. In our cold production departmant, the productions of used as composite upholestry sheet, and alpha profile manifactured as CEE and ZEE sections used for base construction of roof-frontage pavements and partition wall materials are made.