![People are seen at the booth of Chinese telecom company ZTE at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)](http://www.ecns.cn/hd/2019/02/26/e88ffbbfeba94744b6dabd89d2ad1bdd.jpg)
People are seen at the booth of Chinese telecom company ZTE at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)
![Visitors take pictures of a ZTE drum robot at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)](http://www.ecns.cn/hd/2019/02/26/ced2ea46ac4c4ff9b9fb6b064bbfe9d9.jpg)
Visitors take pictures of a ZTE drum robot at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)
![A visitor plays VR games at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)](http://www.ecns.cn/hd/2019/02/26/0bd0855090a545c3abf8291c5823ff2a.jpg)
A visitor plays VR games at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)
![People are seen at the booth of Chinese tech company Xiaomi at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)](http://www.ecns.cn/hd/2019/02/26/db5ee1a0f4714079914815ea931512b9.jpg)
People are seen at the booth of Chinese tech company Xiaomi at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)
![People are seen at the booth of mobile company Vodafone at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)](http://www.ecns.cn/hd/2019/02/26/539d83158ac94253927d6e5d72dd50ed.jpg)
People are seen at the booth of mobile company Vodafone at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)
![People are seen at the booth of Chinese tech company Huawei at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)](http://www.ecns.cn/hd/2019/02/26/677fc55b40794603834334247f2404be.jpg)
People are seen at the booth of Chinese tech company Huawei at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)
![Visitors take pictures of a Huawei MATE X, a foldable 5G ready smartphone, displayed at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)](http://www.ecns.cn/hd/2019/02/26/3793588458fc45afa7093d4ef9fff32d.jpg)
Visitors take pictures of a Huawei MATE X, a foldable 5G ready smartphone, displayed at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)
![A visitor takes pictures of a Huawei MATE X, a foldable 5G ready smartphone, displayed at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)](http://www.ecns.cn/hd/2019/02/26/9be76763cd5a432fadbcc5c49a90ae71.jpg)
A visitor takes pictures of a Huawei MATE X, a foldable 5G ready smartphone, displayed at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)
![People are seen at the booth of Chinese tech company Huawei at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)](http://www.ecns.cn/hd/2019/02/26/13891130c2a74c0c8d1540a73e8abf88.jpg)
People are seen at the booth of Chinese tech company Huawei at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)
![People are seen at the booth of Chinese tech company Huawei at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)](http://www.ecns.cn/hd/2019/02/26/796c9588b01447e79e693d8cf11deefc.jpg)
People are seen at the booth of Chinese tech company Huawei at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)
![Visitors try on Huawei MateBook X Pro laptops at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)](http://www.ecns.cn/hd/2019/02/26/3f22751a1d664d91a9d073f42e160da9.jpg)
Visitors try on Huawei MateBook X Pro laptops at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)