This author is in China (as of 2017).
This author works for Chinaunicom (as of 2017).
The working groups where Ying is active appear to be sunset4 and mboned.
Ying has no RFCs.
Ying has the following 3 drafts:
Ying's next actions and the actions Ying 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 20/1, 2018.