http://www.ec21.com/ec-market/round pipe.html http://liana312.en.ec21.com/Round_Tube_Round_Tubes_Round--3070703_3186960.html round tube Hebei Sunpo Metal products Co., Ltd is one of the professional manufacturers and exporters of metal pro20091231 http://hengte2.en.ec21.com/Welded_Round_Square_Rectangular_Steel--3666669_3666739.html The sizes of the welded steel pipe can be customerized,please contact us by anya0922(at)hotmail(dot)com. 20091231 http://janetwang2008.en.ec21.com/API_5L_GR.B_Carbon_Round--2986182_3656245.html API 5L GR.B Carbon Round Welded Steel Pipe API steel pipe,API steel tube,carbon steel pipe,carbon steel tube,welded 20091231 http://isabelusteel.en.ec21.com/Stainless_Steel_Round_Pipe--3832648_3909698.html Specification ¼ Â� OD ¼ Â� ¤6- ¤630mm thickness:0  � Â�20091225 http://tangsteel.en.ec21.com/Stainless_Steel_Round_Pipe--2660373_2964143.html stainless Steel seamless round pipes Avialable grade:304/304L/316/316L SIZE:OD 5 TO 508mm,WT:0.6mm TO 30mm.Lenghts :20091215 http://stephensteel.en.ec21.com/Round_Steel_Pipe_Circular_Pipe--3998698_4005372.html Round Steel Pipe - Circular Pipe - Circular Tube 20091215 http://ststeelp.en.ec21.com/stainless_Steel_Round_Square_Rectangular--3673602_3673789.html Material: 201, 202, 301, 304, 304L, 316, 316L, 321, 409, 430 etc. 1) Outside diameter: 6mm-219mm 2) Wall thickness: 0.20091214 http://hardworkanna.en.ec21.com/Round_Steel_Pipe--3965544_3966292.html Rectangular steel pipe Size: 10-400mm, thickness, 0.6-12mm Surface finished: galvanized, pre-galvanized, el20091128 http://qianqiannvzi.en.ec21.com/Round_Welded_Pipe--3964276_3964316.html Supply ability:1.5000 ton per mouth Marking: as per customers'requirements 20091126 http://dgguotong.en.ec21.com/Stainless_Steel_Round_Pipes--3912209_3959394.htmlRound pipe��D: 8mm-104mm, Thickness :0.25mm-3.0mm 6. 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