The area of Curtain Wall: 2,550,000 m2 Project overview: Designing and all constructing hall 1 to 7. This project was jointly designed by German architects and ours. The most area used steel structure glass curtain wall and German Gartner typical nodes. Pressure cavity and drainage systems are adopted. Tremendous progress on the system of phrase 3 and the patents has been applied. The aluminum curtain wall was corrugated type, three layers, with pressure cavity and drainage as well. This project is the major project in Shanghai, which is the biggest Expo Center in China and located in Pudong LongDong Avenue.