![](http://www.ecns.cn/hd/2019/09/06/a0d92bdcb94f44a38dbfc72d95d5d5ce.jpg)
A woman interacts with a robot, powered by 5G, at an exhibition during the fourth China-Arab States Expo in Yinchuan, the capital of northwest China's Ningxia Hui Autonomous Region, Sept. 5, 2019. The four-day event features trade fairs and forums on infrastructure, Internet plus healthcare, high technology, modern agriculture, logistics, tourism, the digital economy and industrial cooperation. (Photo: China News Service/Yang Di)
![](http://www.ecns.cn/hd/2019/09/06/3f8c60e9e1a1492c87a25baadc6a6765.jpg)
Visitors try high-tech products at an exhibition during the fourth China-Arab States Expo in Yinchuan, the capital of northwest China's Ningxia Hui Autonomous Region, Sept. 5, 2019. The four-day event features trade fairs and forums on infrastructure, Internet plus healthcare, high technology, modern agriculture, logistics, tourism, the digital economy and industrial cooperation. (Photo: China News Service/Yang Di)
![](http://www.ecns.cn/hd/2019/09/06/28b992eb2b384d299874bb0367a3e0d1.jpg)
Visitors try high-tech products at an exhibition during the fourth China-Arab States Expo in Yinchuan, the capital of northwest China's Ningxia Hui Autonomous Region, Sept. 5, 2019. The four-day event features trade fairs and forums on infrastructure, Internet plus healthcare, high technology, modern agriculture, logistics, tourism, the digital economy and industrial cooperation. (Photo: China News Service/Yang Di)
![](http://www.ecns.cn/hd/2019/09/06/1bec442f1f4345449e8e66cd82484040.jpg)
Visitors try high-tech products at an exhibition during the fourth China-Arab States Expo in Yinchuan, the capital of northwest China's Ningxia Hui Autonomous Region, Sept. 5, 2019. The four-day event features trade fairs and forums on infrastructure, Internet plus healthcare, high technology, modern agriculture, logistics, tourism, the digital economy and industrial cooperation. (Photo: China News Service/Yang Di)
![](http://www.ecns.cn/hd/2019/09/06/94a6a77c319d46129d43bfb67fd54f68.jpg)
Visitors try high-tech products at an exhibition during the fourth China-Arab States Expo in Yinchuan, the capital of northwest China's Ningxia Hui Autonomous Region, Sept. 5, 2019. The four-day event features trade fairs and forums on infrastructure, Internet plus healthcare, high technology, modern agriculture, logistics, tourism, the digital economy and industrial cooperation. (Photo: China News Service/Yang Di)