This author is in China (as of 2018).
This author works for Zte (as of 2018).
The working group where Guo is active appear to be ippm.
Guo has no RFCs.
Guo has the following 2 drafts:
Guo's next actions and the actions Guo waits from others can be seen from the dashboard page.
Data Freshness and Source
This is a part of a statistics report generated by authorstats
on 25/4, 2018.