The China International Optoelectronic Exposition (CIOE) is a worldwide renowned exhibition, which presents the most advanced optoelectronic technologies and innovations. The CIOE 2009 expects around 2, 100 exhibitors to showcase products on 70, 000 sqm from September 6-9. During the four days, more than 85, 000 professional visitors will attend the exhibition. It is supported by all relevant Chinese government bodies, scientific academies, trade associations, and by domestic as well as international key players of the industry.