... StandardISO 9000-2008StandardsASTMA53,BS1387-1985,GB/T3091-2001,EN39,BS1139MaterialsQ195,Q215,Q235,Q345Product CategoryMetallurgy,Mineral ... .woven cloth with 7 slats4.according to the requirements of customersUsageMechanical&manufacture,Steel strcuture,Shipbuilding ... , have extrem experience in steel manufacturing.Over the year's technical capabilities and commitment to quality have ...