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...
Like any building systems, curtain wall systems present several issues to be considered during the building design and construction as well. In addition to air infiltration and deflection, non-def...