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Proje bazında calısan inşaat ve müteahhitlik firması profil ve sac almaktadır.
Turkey
Construction / Subcontractor
NATIONAL TUBE SUPPLY CO
JIANGSU SHENYUAN SPECIAL STEEL CO.,LTD
KLOCKNER METALS CORPORATION
WORLD STEEL DYNAMICS
SHANXI DEHUI SEAMLESS STEEL TUBE CO.,LTD.
COSKUN INSAAT