Merkez Celik is the biggest company of the Boydak Group which is one of the top ten conglomerates of Turkey. Merkez Celik stands as an internal supplier for all the companies of Boydak Group operating mainly in the fields of Furniture, Home textile, Mattress Ticking, Mattress production. Boydak Group has also areas of facilities out of manufacturing. Examples are finance and transportation. There are allmost 3000 people employed by Merkez Celik. And Merkez Celik A.S is ranked the 101. in the list of top 500Turkish companies with its annual turnover of appx $ 350 million.The goods to be introduced at Tradekey are the industrial intermediate goods which are;bonnel spring, bonnel spring unit,pocket spring, pocket spring unit,steel wire for spring types,staples, tube and profile.