Anyang City of Industry Co. http://www.zgstgy.com/about/about2.html Shengtong is a professional production of a variety of building square tube, C-shaped steel, galvanized C-shaped steel, galvanized angle, channel, flat iron, the yuan steel, flat steel, galvanized square tube manufacturers. The sale of products implementing national standards for all areas of construction, mining, textile, electricity and so on. Welded steel pipe, also known as, is a steel plate or strip after curl forming welded steel. Welded steel pipe production process is simple, high production efficiency, different specifications, less investment in equipment, but the general strength of less than seamless steel tubes. Since the 1930s, with the progress of high-quality steel rolling production and the rapid development of welding and inspection techniques, and continuously improve the quality of welds, welded steel pipe increasing varieties and specifications, and in more and more areas instead of nothing pipe joints. Welded steel pipe welds in the form of divided Longitudinal and spiral welded pipe. In the company of "customer first, honesty first" principle, with a number of enterprises established long-term cooperative relationship in recent years, with the development of the domestic steel market, our company to undertake a large project, and domestic customers to establish a good cooperation. Warmly welcome friends to visit, study, business negotiations. Contact: Li Li 13903723807 18037291000 15136523807 -zhongqi high Manager