CeBIT, the world's largest annual computer and software fair, kicked off in Hannover, Germany, on Monday.

The show, with the theme "d!economy- no limits", is expected to see 200,000 visitors and 3,000 companies from 70 countries and regions to experience advanced digital technologies and booming digital business.

Chinese technology companies, such as Huawei Technologies Co Ltd and ZTE Corp, are also exhibiting their innovative products and solutions at the event.

The top trends at CeBIT this year include artificial intelligence, cloud computing, cyber security, drones, internet of things, virtual reality and 5G.

The event will run through Friday.