Yuantai Derun, a leading global manufacturer, specializes in Square Steel Tubes, including black square tubes, ZAM square and rectangular tubes, and hot-dip galvanized tubes. Headquartered in Tianjin, China’s largest steel pipe production base, our factory spans 1,600 acres with 18 subsidiaries and 2,200+ employees. Certified to ISO, CE, JIS, LEED, and more, we ensure premium quality and global compliance. Backed by 700M RMB capital and cutting-edge facilities, we deliver innovative solutions for diverse applications. Choose Yuantai Derun—your trusted square tube factory driving modern development with top-quality structural steel pipes.
