Erciyas operates in the steel pipe industry with its group company, Erciyas Çelik Boru (EÇB). EÇB, which started production in its factory in Düzce in 1990 with 1 coating machine, 1 engineer and 3 employees, is today the leader of Turkey in the production and export of spiral welded steel pipes, and one of the three largest companies in Europe, with an annual production capacity of over 600,000 tons taking.