Chinese people are too many compared to the resources affordable to them. The US people are in the contrary position. That difference is the source of many differences between the two country.
And in this case, only a handle of companies in China offer work-life balance, most of which are owned by foreign capital (e.g. Google, Microsoft and IBM). They are very hard to get in, even harder than their US counterparts, because of the much smaller headcount and much larger pool of candidates.
And in this case, only a handle of companies in China offer work-life balance, most of which are owned by foreign capital (e.g. Google, Microsoft and IBM). They are very hard to get in, even harder than their US counterparts, because of the much smaller headcount and much larger pool of candidates.