Hot Rolled Reinforcing Steel for Concrete

We have a requirement for Nigeria for 3.400MT +/- 10% Grade B spec. st500s according to DIN 488 , in 12 m length with standard marking , packed in Bundles of approx. 2MT , hot rolled reinforcing steel, ribbed,weldable with size breakdown :
8mm 200MT , 10mm 500MT , 12mm 1000MT , 16mm 1000MT , 20mm 200MT , 25mm 500MT.