Electric resistance welding (ERW) is a welding process where metal parts in contact are permanently joined by heating them with an electric current, melting the metal at the joint. Electric resista...
In the new era of China's transportation business transformation, Youfa stands at the forefront of the industry and runs parallel to it, relying on the developed transportation network of the mothe...
Black annealed steel pipe is a type of steel pipe that has been annealed (heat-treated) to remove its internal stresses, making it stronger and more ductile. The process of annealing involves heati...
On July 6th, TIANJIN YOUFA INTERNATIONAL TRADE CO LTD all staffs visited Shaanxi Youfa Steel Pipe Factory in Hancheng city, Shaanxi Province.
On 26th October 2018, Shaanxi Youfa Steel Pip...
On July 7, Wang Jianhua, vice president of Xinhua News Agency Tianjin Branch, and his delegation visited Youfa steel pipe creative park for investigation and guidance. Mao Zhenhua, deputy editor in...