Polygon steel for concrete buildings

Hello
we are importers from israel wwwXXXXXXXXXX.com one of our clients need polygon iron for buildings.
we looking for price offer per ton for polygon steel for concrete buildings.
we need price per ton fob turkey to israel please give us offers for: 6 mm polygon iron -6 m lengh 8 mm polygon 10 mm polygon 12 mm polygon time of produce ?
minimum quantity per size? payment terms?