For seam-welded pipes, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our seam-welded pipes has been well received by many customers and enjoyed a good reputation in many countries. Nantong Sumar Marine Equipment Co., Ltd. seam-welded pipes have characteristic design & practical performance & competitive price, for more information on the seam-welded pipes, please feel free to contact us.