Other Oil Field Equipments API 5L Psl1/2/ASTM A53/A106 Gr. B/JIS DIN/A179/A192/A333 X42/X52/X56碳素无缝钢管
≡ Products API 5L Grb X52 3PE Anti-Corrosion Insulation Pipe Tube/ Anti-Corrosion Pipe for Water/ Oil/ Nature Gas/ Petroleunm Transfer