I used the lounge after having troubles as I had an international flight within 24hrs. I sort of regretted the effort as it was as others said very basic.
Comfortable seating, Cupcakes, biscuits and a few soft drinks and that was it.
Chongqing CZ lounge for elite plus in the domestic terminal is also horrible (2 min noodles, biscuits and even last time they removed the soft drinks so we were limited to mineral water or green tea.
Here's hoping the brand new terminal opening end of next month will have a much better facility. I really am happy not to be a member of the mainland carrier , as I don't understand why they don't just make 1 lounge for business and elite members together like all other international airlines do. Even the American carriers don't stoop this low for their own members or alliance elite members. I did try the business/first (domestic has no business class) with CZ and its a much better product.