Hot rolled engineering machinery steel plate 1.Standard:GB/T912,GB/T3274 2.materil:Q345A,Q345B ... .payment terms:T/T,L/C,OA engineering machinery steel plate Q3451.Standard:GB/T912,GB/T32742.materil:Q345A,Q345B,Q345C ... .large inventory:about 20000 tons. Hot rolled engineering machinery steel plate Q345