Gürmak Demiryolu Baglanti Elemanlari San. Tic. A.S.
Gürmak has become an international railway fastening systems provider with more than 30 years of experience in the production of fastening materials since its establishment.
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KARDEMIR KARABÜK DEMIR CELIK SANAYI VE TICARET A.S.
Including the R350 HT hardened rails, we are Turkey's and the region's only producer of railroad rail.
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Panel Poliüretan Asinma Nakil Elemanlari San ve Tic. A.S.
We have been producing “Elastic Rail Fastening Systems” for 30 years thanks to our high quality production lines and technology.
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YAPIRAY
YAPIRAY’s main objective is to fulfil railway constructions in the most efficient and accurate way with its huge experience in managing various projects under tough and challenging conditions simultaneously.