... steel plate10#~50# 20Mn10~120mmGB/T 711-1998Heavy vehicle mechanical productionStructure steel plate for bridgeQ235qC/D Q245qC/ ... CrMo, Mn, CrMn10~100mmGB 3077-99Shipbuilding, Vehicles, Railway,Bridge,High Pressure Vessels, Machine Common carbon steel plateQ235A,B, ... D Q355NHC/D10~30mmGB/T 4172-2000Bridge building, vehicle and structure productionCompany Name:Liaocheng Development Zone Fuyuan Materials ...