Dragon robots are on display at an intelligent manufacturing expo in Nanjing, East China's Jiangsu province, Dec 6, 2016. [Photo/chinanews.com]

Audiences were awed by dancing dragon robots at an expo during the World Intelligent Manufacturing Summit which opened in Nanjing, capital of East China's Jiangsu province, on Tuesday.

The event attracted 285 companies from 10 countries and regions around the world, including 38 Global 500 companies and leading intelligent manufactures, to showcase their cutting-edge technologies and concept products.