LSAW Pipe (Longitudinal Submerged Arc-Welding Pipe), also called SAWL pipe. It is taking the steel plate as raw material, mold it by the molding machine, then do double-sided submerged arc welding....
In 2005, Youfa took over the responsibility to provide high-quality Youfa steel pipes for the construction of the Bird's Nest.
In 2022, the Bird's Nest held the Winter Olympics again. At this time,...
On February 22, Xia Qiuyu, member of the party group and vice chairman of the Tianjin Science and Technology Association, and Wang Liming, director of the Science and Technology Innovation Dep...
On July 16, Yu naiqiu, President of China infrastructure materials leasing and contracting Association, and his party visited Youfa Group for investigation and exchange. Li Maojin, chairman of...
On May 20, Hu Huili and Liu Jixing, Operation directors of Changge Jincheng Iron and Steel Company, led a group of business backbone from Jincheng Company to visit Handan Youfa for communication. H...
Han Tang glory, silk language Chang'an City.
On May 24th, the ancient capital Xi'an ushered in a group of guests from the "Oriental." The new national standard promotion conference for fire-...