Our organization insists all along the quality policy of "product quality is base of business survival; purchaser gratification is the staring point and ending of an business; persistent improvement is eternal pursuit of staff" as well as the consistent purpose of "reputation 1st, purchaser first" for Big Diameter Lsaw Steel Pipe, Black Round Astm Carbon Steel Pipe , Galvanized Square Pipe , Casing Pipe ,Carbon Welded Pipe . We sincerely welcome close friends to barter company and start cooperation with us. We hope to affix hands with mates in different industries to make a excellent future. The product will supply to all over the world, such as Europe, America, Australia,Latvia , European ,Austria , Indonesia .Our Company has qualified engineers and technical staff to answer your questions about maintenance problems, some common failure. Our product quality assurance, price concessions, any questions about the items, Be sure to feel free to contact us.