... 900*300mm Ceritification:ISO9001,BV,SGS structural steel--Materials:S235J2,S235JR,S275JR --Mill:WISCO,BAO STEEL,SHOUGANG GROUP,WUYANG ,ANGANG GROUP,ANSHAN ... building,bridge ,prssure vessel equipment etc.--Mill:Tianjin Steel,Laigang Group,Chenggang Steel,Magang Steel --MTC: as quoted paper --BV & SGS inspectoin before ...