She sports high health but low attack power which is compensated by her lighting fast attack rate and a very annoying ability: 100% chance to knockback all cat units at a decent range making low range attackers very ineffective.
To properly deal with Chun-Li you will need units with over 360 range Bahamut Cat or very fast units like Maglev Cat.
Time between attacks
5,100 damage (3,923 DPS)
360 (area attack)
Multi-hit attack (1,700 at 8f, 1,700 at 16f, 1,700 at 24f)