Water and Membrane China 2004 will be held at China World Trade Center (CWTC). Ideally located in the heart of Beijing's commercial and embassy districts and only 20-minute drive from the Beijing Capital International Airport, CWTC is a 12-acre compound of officer towers, hotels, apartments, exhibition hall, conference halls, shopping mall and recreational facilities. With 10,000 square meters of exhibition space, the international-standard exhibition center is made up of three halls. The column-free main hall, Hall I, measures 2,000 square meters and has a ceiling height of 14 to 19 meters.