Youfa welded pipes are inspection-free products. ?The "Youfa" brand trademark was recognized as "China's Well-known Trademark" by the Trademark Office of the State Administration for Industry and Commerce in March 2008. "Youfa" brand straight seam welded pipes, hot-dip galvanized steel pipes, and spiral welded pipes have been awarded by the Tianjin Municipal Government for many consecutive years. "Tianjin Famous Brand Product" title. Tianjin Youfa Steel Pipe Group has been ranked among the top 500 Chinese enterprises and the top 500 manufacturing industries for nine consecutive years. In 2014, Tianjin Youfa Steel Pipe Group ranked 483rd among the top 500 Chinese enterprises and 250th among the top 500 Chinese manufacturing industries. There are 161 among the top 500 private enterprises and 110 among the top 500 Chinese private enterprises in the manufacturing industry.