The 14th Optics Valley of China International Optoelectronic Exposition and Forum (OVC EXPO 2017) opened at China Optics Valley Convention and Exhibition Center in Wuhan, central China’s Hubei province on Nov 1. At the three-day expo, cutting-edge technologies attracted a large number of visitors, such as flexible mobile display screens which can be folded. [Photo/Xinhua]

Dragon-shaped steel products carved using a laser are displayed at the OVC EXPO on Nov 2. [Photo/Xinhua]