• Deniz MH. Yeni Liman Yolu N: 11, Derince, KOCAELİ
  • (+90) 262 229 14 09
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Automotive Sector

Successful implementation of client specific projects
Engineering team.

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Our Services

Automotive, Railway and Mining Areas

Ottoman Çelik ve Otomotiv Sanayi A.Ş. provides forging solutions to many automotive industry-leaders, consistently meeting the strict regulations of the major automotive OEMs.
Ottoman Çelik ve Otomotiv Sanayi A.Ş. has focused on providing cost-effective, quality forging solutions for the railroad industry. As mass transit lines became increasingly predominant, Ottoman Çelik ve Otomotiv Sanayi A.Ş. upgraded its technology and achieved industry-specific certifications to effectively focus on this industry segment. To this day, Ottoman Çelik ve Otomotiv Sanayi A.Ş.’s innovative manufacturing methods allow high quality parts to be delivered facing the strict deadlines of virtually any railway or mass transit project.
Ottoman Çelik ve Otomotiv Sanayi A.Ş. serves the mining industry by providing a wide range of industry-specific, custom steel forgings.

Our Customers


Our website has been renewed as a result of the new interface and software works done.


“Founded in 1959 in Derince – Kocaeli, Çelik Sanayi has been a leader in forging industry for many years. It has a wide range of forging products with its 19 existing production lines.


If you wish to contact us (+90) 262 888 4859 or send us an e-mail at info@ocstr.com,

If you want to submit a price quote in addition, you can contact us from the contact form section.