... .steel pipes 2.O/A trade product 3.seamless,welded,erw,ssaw,lsaw pipes 4.API,CE,ISO 5. ... Thickness1.5mm---50mmLengthRandom or fixedUsageLine Pipe,Casing And Tubing,Fluid Pipe, Water Delievery,Heating Pipe,Power Pipe,Structure Pipe,Scaffold,Piling PipeManufacture ProcessesRaw ... by API,CE,ISO professional manufacturer of pipes & pipe fittings await your cooperation.Any questions,pls contact with ...