طلبات التشييد والبناء / كوريا الجنوبية

I am looking for Turkish supplier for steel structure who has a reference in Russia or CIS country. It means that a supplier has a GOST certificate.

We need european standard section steels, STEEL GRADE: S275-J2(Impact test, -20℃, MIN. 27JOULES)

Do you have IPE A360, S355JR?

i have inquiry of angles, pipes, hollow sections and etc