30 December 2019
The SIASAIL-I solar sail deorbit test project, developed by the Shenyang Institute of Automation under the Chinese Academy of Sciences has successfully verified key technologies in orbit. According to the data and pictures returned from the satellite, the key technology test of the "SIASAIL-I" solar sail is progressing smoothly, which marks the success of the solar sail verification mission. SIASAIL-I was launched - attached to SpaceTY Xiaoxiang 1-07 satellite - by a Kuaizhou-1A carrier rocket from the Jiuquan Satellite Launch Centre on 30 August (BJT: 31 August) 2019.
MORE...
UPDATE: Solar sail in Earth orbit is big breakthrough for China

29 December 2019
As a milestone project upgrading China's launch vehicles, the development of the CZ-5 covered the most diversified engineering technologies and overcame the most difficult problems in the country's carrier rocket history, completing a massive scale of tasks along the way. The CZ-5 rocket, uses more than 200 key technologies, it is more complex than any previous Long March rocket, and its design workload was more than 3.5 times that of previous projects. China also built the largest simulation laboratory in Asia for its tests.
Advanced digital technologies were applied in the design, analysis and tests, more than 10,000 space engineers participated in the design, research and development of the CZ-5, which lasted for more than 10 years. Friday's launch marks the end of a fruitful year for China's aerospace sector.
MORE...

27 December 2019
China's biggest, heaviest and most advanced satellite was sent into space on the night of 27 December to carry out demonstration and verification for advanced satellite and communication technologies. Shijian 20, a technology demonstration satellite developed by the China Academy of Space Technology in Beijing, was lifted into orbit by the third mission of the Long March 5 carrier rocket at the Wenchang Space Launch Centre in Hainan province at 20:45 h BJT.
MORE...
RELATED
China launches heaviest satellite to test key technologies

 

LaunchStuff is posting on Twitter photos and videos from the launch pad and launch in Wenchang.
Also, a link to a launch tower tour (in Chinese) by CCTV can be found - see the 3 1/2 min video tour of the Wenchang launch tower here.
Stephen Chen of SCMP wrote an article to summarize the big expectations attached to the imminent CZ-5 launch.
China makes final preparations for critical Long March 5 rocket launch.
In the meanwhile, Xinhua is reflecting on the press conference on the occasion of the "one-year anniversary of China's BDS-3 system providing global service."
China Focus: China to complete Beidou-3 satellite system in 2020