Alibaba founder and chairman Jack Ma makes a speech during the official opening of the CeBIT trade fair in Hanover Mar 15, 2015. [Photo/Agencies]

CeBIT will continue till March 20. More than 3,400 companies from some 70 countries and regions are expected to showcase thousands of innovations from the digital world.

Earlier on Sunday, the fair's chief Oliver Frese said in a press conference that China would show its IT power via the exhibition and present "the strongest partner country presentation we've ever seen at CeBIT."