A participant introduces an AI vision product to visitors during the national mass entrepreneurship and innovation week in Hangzhou, capital city of east China's Zhejiang Province, June 13, 2019. The national mass entrepreneurship and innovation week kicked off on Thursday, during which exhibitions and forums for entrepreneurs, investors, researchers and university students are held nationwide. (Photos: Xinhua)

Visitors tour an exhibition during the national mass entrepreneurship and innovation week in Hangzhou, capital city of east China's Zhejiang Province, June 13, 2019. The national mass entrepreneurship and innovation week kicked off on Thursday, during which exhibitions and forums for entrepreneurs, investors, researchers and university students are held nationwide.

Photo taken on June 13, 2019 shows a surgical robot system during the national mass entrepreneurship and innovation week in Hangzhou, capital city of east China's Zhejiang Province. The national mass entrepreneurship and innovation week kicked off on Thursday, during which exhibitions and forums for entrepreneurs, investors, researchers and university students are held nationwide.

A participant displays a pair of AI glasses during the national mass entrepreneurship and innovation week in Hangzhou, capital city of east China's Zhejiang Province, June 13, 2019. The national mass entrepreneurship and innovation week kicked off on Thursday, during which exhibitions and forums for entrepreneurs, investors, researchers and university students are held nationwide.