... building, metal building, modular house, Steel frame for warehouse, workshop, bridge machine, oil drilling platform, welding parts etc.We can ... Construction List (2006-2010)1. Steel structure Plant of China Great wall Aluminum & Construction (2006.01)2. Zhengzhou International ... CHALCO Guangxi Branch(Dec 2007)17. Light Alumina production workshop of China Light Metal Research Institute (Apr 2008)18. ...