An exhibitor introduces products to visitors at the 2013 Taiwan Trade Fair in Shijiazhuang, capital of North China's Hebei Province, May 16, 2013. The four-day fair attracting more than 180 enterprises from Southeast China's Taiwan kicked off here on Thursday. (Xinhua/Zhu Xudong)

People visit the 2013 Taiwan Trade Fair in Shijiazhuang, capital of North China's Hebei Province, May 16, 2013. The four-day fair attracting more than 180 enterprises from Southeast China's Taiwan kicked off here on Thursday. (Xinhua/Zhu Xudong)

 People look at items displayed at the 2013 Taiwan Trade Fair in Shijiazhuang, capital of North China's Hebei Province, May 16, 2013. The four-day fair attracting more than 180 enterprises from Southeast China's Taiwan kicked off here on Thursday. (Xinhua/Zhu Xudong)

Visitors look at an item displayed at the 2013 Taiwan Trade Fair in Shijiazhuang, capital of North China's Hebei Province, May 16, 2013. The four-day fair attracting more than 180 enterprises from Southeast China's Taiwan kicked off here on Thursday. (Xinhua/Zhu Xudong)

People visit the 2013 Taiwan Trade Fair in Shijiazhuang, capital of North China's Hebei Province, May 16, 2013. The four-day fair attracting more than 180 enterprises from Southeast China's Taiwan kicked off here on Thursday. (Xinhua/Zhu Xudong)

People visit the 2013 Taiwan Trade Fair in Shijiazhuang, capital of North China's Hebei Province, May 16, 2013. The four-day fair attracting more than 180 enterprises from Southeast China's Taiwan kicked off here on Thursday. (Xinhua/Zhu Xudong) 

People experience a carpet with a touch-screen at the 2013 Taiwan Trade Fair in Shijiazhuang, capital of North China's Hebei Province, May 16, 2013. The four-day fair attracting more than 180 enterprises from Southeast China's Taiwan kicked off here on Thursday. (Xinhua/Zhu Xudong)