The two companies agreed to jointly ensure a unified standard on network planning, construction, maintenance and service in the 5G network co-build co-share regions, and assure the same service level, the announcement said.
The two sides will also seek cooperation in fifth-generation mobile communication technologies, self-driving and new-energy vehicles, said the sources.
The treaty's signing was witnessed by the leaders of the two countries.
The two probes have not officially exited the solar system, whose outermost region is a shell called the Oort cloud, comprised of numerous small icy objects still under the sun's gravitational influence.
The training of astronauts has been resumed, and the launch is scheduled to take place as planned before the 75th anniversary of India's independence in August 2022, he said.
The transport authority said it would complete a safety overhaul of all trains by the end of this week.
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The travel ban that Washington imposed on 26 European nations has been effective since Friday midnight.
The travel permits refer to the documents allowing mainland residents to travel to and from Hong Kong, Macao and Taiwan, it said.
The two Chinese interests, ENN Group and Hony Capital hold a combined 15.1-percent stake in Santos, and the new arrangement will see "mutual cooperation and assistance" from both sides to spur the growth-based strategy in Australia and Papua New Guinea currently being adopted by the gas giant.
The type of instruments to be issued will include corporate bonds, medium-term notes, short-term commercial papers, perpetual bonds and asset-backed bonds in the domestic and overseas markets, the company said.