It may not be bonuses exactly, but pointing to initiatives you've started that were adopted by the company, or problems you've found and fixed, is good ammunition when angling for a raise or promotion in Western companies. I have a feeling the bigger problem is keeping someone up the management tree from you from stealing the credit (and depending on how many levels of management there are, at least some of that will likely happen, and that's no necessarily a bad thing, managers are judged by the accomplishments of the people under them).
This article makes it sound like China in fundamentally different in that respect.
This article makes it sound like China in fundamentally different in that respect.