we wei fang east steel pipe co., ltd. Which is established on 1976 and begin to export on 1990 , is the leading manufacturer and exporter of electric resistance welded steel pipe in China, the information of our product as below: size:1/2"---4" thickness:1.0mm---4.0mm length:4m----8m type : black steel pipe, hot dip galvanized steel pipe , square and rectangular steel pipe , color paint steel pipe , black bright steel pipe , threaded ends steel pipe, polyethylene coated steel pipe , scaffolding tube , pickled steel pipe , swaged steel pipe , steel sheet , steel coil , profiled bar , and so on purpose: fence tube , structural tube , scaffolding tube , water tube, furniture tube and so on standard :ASTM A53A,BS1387-1985,DIN,JIS,EN10219,EN39,or produce according buyer's request Packing: Supplied in metal strapped bundles Ends of bundles wrapped in polythene payment terms: L/C at sight or T/T delivery time : within two months certificate : ISO9001,UL,FM If you are interested in our product , please feel free to enquire, Our good service and good product will satisfy you.