02 April 2018
In the wake of the Tiangong 1 re-entry on 2 April, a scientist familiar with Chinese satellite salvage operations has revealed that Beijing routinely reclaims its fallen space debris to keep sensitive information secret - even when it lands in another country. But China will not deploy a team to salvage debris from Tiangong 1. “We only retrieve assets of high value, or those that contain sensitive technology or intelligence that would cause harm if falling into the hands of another country,” the expert told the South China Morning Post on condition of anonymity. Tiangong 1 was not such an asset, he said.
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related:
The Chinese Space Station Narrowly Missed Landing in the World's Largest 'Spacecraft Cemetery'
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02 April 2018
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More information on the re-entry sequence by Patrick Blau on http://spaceflight101.com
Tiangong 1 re-entered in the early morning of 2 April at 0:16 UTC ±1 minute after 2,375 days and 21 hours in orbit. Re-Entry, referencing the spacecraft crossing 80 Kilometers in altitude, occurred over the South Pacific Ocean at approximately 13.6°S 195.7°E, around 780 Kilometers due East of American Samoa.

China's Doomed Space Station Did Some Science Work, Too
27 March 2018
Space Expert Leonard David summarises and analyses Tiangong 1's operational life and highlights which achievements the space lab supported. He also gives a thought-through overview on the facts for the expected re-entry over Easter weekend.
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01 April 2018
China recently unveiled its space station core module developed in Tianjin Aerospace Town, as the country is carrying out the last step in its three-step strategy of the manned space programme. Behind the development of the space station is a group of engineers with an average age of 35. Recently, the engineers have been running some tests on the core module. Zhang Hao, a Senior Designer of the space station system with China Academy of Space Technology (CAST) under the China Aerospace Science and Technology Corporation, introduced the module.
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31 March 2018
On 31 March, China launched three Gaofen-1 imaging satellites as part of the country's high-definition Earth observation project. The satellites was launched off on the back of a Long March 4C rocket at 11:22 a.m. Beijing time from the Taiyuan Satellite Launch Center in northern Shanxi Province. It was the 270th flight mission by a Long March carrier rocket.
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video: China puts 1st commercial satellite constellation into use - Mission profile

The launch of three Gaofen-1 high-definition imaging satellites marks the beginning of China's efforts to build a national civil space infrastructure system scheduled to be completed in 2025.
CCTV video footage of the launch, launch preparation and interviews with space officials

China released many videos on the launch and the mission of the Gaofen satellite triplet. Follow the link for more videos.