Cangzhou City, Yantai Steel Pipe Co., Ltd. specializes square and rectangular tube, shaped square and rectangular tube, small diameter pipe, large diameter square and rectangular tube, galvanized square and rectangular tube, double-sided spiral submerged arc welded pipe, straight seam steel pipe, hot rolled steel pipe, thermal expansion seamless, cold drawn seamless pipe, seamless steel pipe, hot-rolled steel, and other services. Produced by the square tube rectangular tube specifications with a full-size: 600 * 10 * 10 --- 600 square tube, 10 * 15 --- 400 * 800 rectangular tube, thickness: 0.5mm --- 35mm, specifications of more than 2800 kinds; Material for Q195, Q215, Q235, Q255, Q345B, Q275,10 #, 20 #, 35 #, 45 #, seamless pipe, alloy steel; size can be customized according to customer requirements. Product main application areas: machinery manufacturing, construction steel, large stadiums, convention centers, lifting machinery, shipbuilding, storage shelves, decoration, transportation facilities, airport construction, railway vehicles, bridges stand, mine support, parking garage, outdoor advertising , fitness equipment, wind power equipment, vehicle manufacturing and other industries.