carry on to boost, to guarantee products excellent in line with market and consumer standard specifications. Our enterprise has a quality assurance system are actually established for Ssaw Helical Welded Steel Pipe, Thick Wall Square Tube, Black Welded Steel Pipe Class B, Black Iron Square Pipe,Welded Square Erw Steel Pipe. Now we have established steady and long business relationships with customers from North America, Western Europe, Africa, South America, more than 60 countries and regions. The product will supply to all over the world, such as Europe, America, Australia,Dominica, Madras,Houston, Romania.We rely on high-quality materials, perfect design, excellent customer service and the competitive price to win the trust of many customers at home and abroad. 95%products are exported to overseas markets.