... :1400-4100Length:6000-28000GB/T3274-2007Steel structure,city buiding,mechanical productionLow alloy steel plateQ345A,B,C,D, ... :1400-4100Length:6000-28000GB/T3274-2007Steel structure,city buiding,mechanical productionFine carbon structure steel plate10-55#,20Mn, ... 6-120Width:1400-4100Length:6000-28000GB711-88Heavy vehicle, mechanical production,military productionBoiler steel plate20R,20g,Q245r,16Mn ...