A visitor is pictured in front of a transparent display at the 8th Inno Design Tech Expo in south China's Hong Kong, Dec. 7, 2012. The three-day exposition kicked off Thursday at Hong Kong Convention and Exhibition Center, with more than 350 exhibitors from 11 countries and regions. (Xinhua/Zhao Yusi)

Two bicycles are seen on display at the 8th Inno Design Tech Expo in south China's Hong Kong, Dec. 7, 2012. The three-day exposition kicked off Thursday at Hong Kong Convention and Exhibition Center, with more than 350 exhibitors from 11 countries and regions. (Xinhua/Zhao Yusi)

Visitors look at an exotic bicycle design on display at the 8th Inno Design Tech Expo in south China's Hong Kong, Dec. 7, 2012. The three-day exposition kicked off Thursday at Hong Kong Convention and Exhibition Center, with more than 350 exhibitors from 11 countries and regions. (Xinhua/Zhao Yusi)

An exhibitor shows a lounge chair at the 8th Inno Design Tech Expo in south China's Hong Kong, Dec. 7, 2012. The three-day exposition kicked off Thursday at Hong Kong Convention and Exhibition Center, with more than 350 exhibitors from 11 countries and regions. (Xinhua/Zhao Yusi)

An exhibitor from south China's Taiwan shows a sound amplifier used for cellphones at the 8th Inno Design Tech Expo in south China's Hong Kong, Dec. 7, 2012. The three-day exposition kicked off Thursday at Hong Kong Convention and Exhibition Center, with more than 350 exhibitors from 11 countries and regions. (Xinhua/Zhao Yusi)

A restaurant server robot is seen on display at the 8th Inno Design Tech Expo in south China's Hong Kong, Dec. 7, 2012. The three-day exposition kicked off Thursday at Hong Kong Convention and Exhibition Center, with more than 350 exhibitors from 11 countries and regions. (Xinhua/Zhao Yusi)