... 311-85981938We guarantee:Professional manufacturers of steel tube/pipe with stable company operation. Much experience in quality ... and solving problems for them.Main products:Item Specification(mm) Size ThicknessLengthGalvanizedsteel pipeOD:15mm-640mm0.3mm- ... for structure,machinery,liquid transportation,line pipe,casing and construction,line pipe,casing and construction..Production Capacity5,000 ...