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Hot Dipped Galvanized Steel Pipe/Tube
2016-11-19 10:54
OD20-1330MMW.T0.9-30MMMaterialQ195,Q215,Q235,Q345,20#,16Mn,ectSteel GradeQ195-Q345, 20#,16Mn,ectStandardGB/BS/ASTM/APITe
