On the afternoon of May 15, 2021, the ninth compilation seminar of the "New Structural Atlas of Metal Enclosures and Floor Systems for Steel Structure Buildings" was held on time at Huabang Construction Company.
- +86-13087586198
- 3243954522@qq.com
- Room 807, Fangxing Building, No. 35 Beiguan Street, Lianhu District, Xi'an, Shaanxi Province