In the summer, there is a lot of rain, and after the rain, the weather is hot and humid. In this state, the surface of galvanized steel products is easy to be alkalization (commonly known as white ...
Straight seam steel pipe is a steel pipe whose weld seam is parallel to the longitudinal direction of the steel pipe. The production process of straight seam steel pipe is simple, with high product...
On June 14, the 10th China International Pipe Exhibition was grandly opened in Shanghai. Li Maojin, chairman of Youfa Group, was invited to participate in the exhibition and attended the openi...
Recently, is known as the Chinese enterprise "Langya List" reputation of the 2017 Chinese enterprises 500 strong list of official external release. The list was jointly issued by the Chinese Enter...