... coupler1.Style: Italian style2.Material: Q235 etc3.Outer pipe: 48mm-60 mm or as customer's demand4.Inner ... props,scarfoldings.Item 2:Seamless steel pipe,ERP steel pipe,spiral steel pipe,square steel pipe,insulation steel pipe and so on.Item 3:Steel ... .Item 5:welded pipe,square pipe,rectangular tubeItem 6:Galvanized steel pipe,galvanized coil ,plate ,strip,sheetItem 7:pipe fittingsDue to business ...