Gavin Zheng
@gavinzheng
China, Chengde
Joined Aug 2018
World Rank: #14009 (2.4 points)
Institution: JXFLS
Activity over the last year
Effectiveness
- Problems solved
- 15
- Solutions submitted
- 59
China, Chengde
Joined Aug 2018
World Rank: #14009 (2.4 points)
Institution: JXFLS