sell welded steel pipe , tube The CR & HR steel pipe / tube are our mainly products,we have been doing exporting business almost 10 years, and full experienced in there area. We are assured to give you the most favorable prices and high-quality products. our steel pipe are with various sizes. If you have any inquiry, please contact with me freely, and my add. is samantha(at)sanlidg(dot)cn. Thank you very much!