14 April 2021
CNSA has released an online database of the 1st batch of the lunar samples brought back by Chang'e 5. Researchers and the public can access the Lunar and Deep Space Exploration Scientific Data and Sample Release System via the website www.clep.org.cn, where they can apply for data and samples.
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access to data or application for access to data might most likely be possible via this website: https://moon.bao.ac.cn/pubMsg/detail-CE5.jsp 
Now, there are data.... maybe here... http://202.106.152.98:8081/moondata/web/datainfo/main.action# ... make sure you have your Chinese friend with you when creating a log-in... Much success!