China's tech giants spend big on digital 'red envelope war' to gain more mobile usersXi to Declare Hangzhou Asian Games OpenChina cuts 88 bln yuan in logistics costs in 2017China steps up development of intelligent vehicles4th CICPE scheduled from April 13New model reveals seabirds' movement may help analyze animal decisionAustralian scientists make breakthrough in developing unhackable quantum internetXi, Assad Jointly Announce ChinaChina renews blue alerts for severe convection weather, sandstormsChina renews blue alerts for severe convection weather, sandstorms