im wrkhrd
@imwrkhrd
China, Beijing
Joined Mar 2013
World Rank: #54629 (0.3 points)
Institution: BT
Activity over the last year
Effectiveness
- Problems solved
- 41
- Solutions submitted
- 84
China, Beijing
Joined Mar 2013
World Rank: #54629 (0.3 points)
Institution: BT