1. UPN400x110x14x18mm: materials S235J0 85 tons  2. UPN400x110x14x18mm: materials S355J0 419 tons (the quantity may have some small change). total quantity: 504tons payment: USD/RMB - Solution 1: Can supply UPN400x110x14x18mm: materials S235J0 and S355J0 - Solution 2: If you really can nnot supply this size, we will accept Chinese GB size U40c (400x103x14.5x18) but the materials are still S235J0 and S355J0. - Solution 3: In case the above no. 1 and no.2 solutions are not accepted, pls offer Chinese GB size U40c (400x103x14.5x18) and the materials are Q235C and Q345C.  However we really hope that you can try to accept solution 1 .