Global technology fair opens in Shanghai

Visitors also showed great interest toward innovative products including foldable phone by Shenzhen-based company Royole as well as autonomous driving bus and street sweeper by Shanghai-based DeepBlue Technology.

Occupying a total exhibition area of 35,000 square meters, this year's event is underway at the Shanghai World Expo Exhibition and Convention Center from April 18 to 20. About 100 enterprises and institutions from countries including the US, Canada, Hungary, Germany and South Korea are taking part in the fair this year, 30 percent more than the previous year.