In the 47th week of 2019 (2019.11.18-11.22), the national composite steel price index of Lange steel reached 149.8 points, up 2.79% from last week and down 3.63% from the same period last year.The...
Frame curtain wall: refers to the curtain wall components completed in the workshop, transported to the site in accordance with the construction process of vertical materials, horizontal materials...