Mild Steel Plates- all sizes

We would like to import up to 5 , 40 feet container full of the following items upon bening provided with a competitive quotation: We are located in Dar es Salaam Tanzania.
1. Mild Steel Plates- all sizes
2. Mild Steel sheets- all gauges
3. Stainless steel plates- all sizes
4. Stainless steel sheets- all gauges
5. M.S round iron bars dia. 10, 12, 16, 18, 20, 14, 30 mm
6.Galvanized shutters for rapid roll up doors for shops, warehouses and garages