... -1985,GB/T3091-2001,EN39,BS1139MaterialsQ195,Q215,Q235,Q345Product CategoryMetallurgy,Mineral &EnergyTechniqueWeldedPacking1.Big OD:in bulk2.Small OD:packed by steel ... before 20 days .Company informationWe, SINO EAST STEEL ENTERPRISE CO.,LTD located in Daqiuzhuang Industrial park ,Tianjin city , have extrem experience ...