... of the structure itself 3) Easy construction, time-saving, and Labor saving 4) Flexible layout, beautiful appearances, and higher space efficiency 5) Steel ... Economy and Technology Development of Xiaoshan, Hangzhou, Zhejiang , ChinaTel: +86 571 82867598 Mob: +86 13967135675Internet: www.dachengsteel.com.cn Steel structure building design and ...