We are the Dalian Sen Ao Iron Tower Industry Co., Ltd of steel & iron tower enterprise with the union of research and design, production and management , located in the beautiful seaside city , Dalian , Liaoning province.Our mainly products:steel pipe towers of 220kv transmission line, angle steel tower, transformer substation construction, communication tower, microwave tower, wind power pole, solar energy pole and tower, traffic equipment poleProducts quality conforms to the ISO9001 Quality Management Systems requirement, inspected equipment and mornitoring measures are complete.We can guarantee the angle steel towers physical property and assembly dimension .Our products are exported to Europe, Africa, South America, Southeast Asia , Middle East etc, more than 20 countries and ***** affirm our products high quality and fast speed to ship the products .Anticorrosion measure is controlled by international advanced hot-dip galvanized ***** color of Zinc coating is bright, its surface is even and smooth, and zinc has good adhension. Anticorrosion can be existed about 25-30years
