Tianjin You Fa Steel Pipe Group Stock Co., Ltd. engages in the research, development, production, and sale of welded steel pipes. Its products include welded round pipes, galvanized round pipes, square welded pipes, square galvanized pipes, steel-plastic composite pipes, and spiral welded pipes. The company was founded by Mao Jin Li, Guang You Xu, Jiu Xiang Yin, Ke Chun Chen, Guang Ling Chen, Zhen Dong Liu, and Mei Hua Zhu on December 26, 2011 and is headquartered in Tianjin, China.