Seranit Granit Seramik Sanayi Ticaret A.Ş. set up the world's largest and most modern porcelain tile plant in Bilecik. The porcelain tile plant of Seranit, which is located in the Organised Industrial Region and has reached an annual production capacity of 8.500.000 m2 with additional investments launched in 2005, was opened by Prime Minister of Turkey Mr. Recep Tayyip Erdoğan.