Hot dip galvanized steel piping 1).W.T:1.2-20mm 2).O.D:1/2"-8" 3).Length:4-12m 4).Delivery Time:20 ... days product nameHot dip galvanized steel piping OD 20-457MM W.T 1.2-20MM Material Q195,Q215,Q235,Q345 Steel Grade ... reveipt customers' deposit Productivity 3000 Meteric Tons per Month Remark 1.Payment terms :T/T,L/C 2.Terms of trade ...