They definitely do some things better.
Taobao's shop by image is pretty game changing. Whether or not they were the first to do it, they seem to be the most successful iteration of it.
I feel like Chinese UX flows tend to be more clunky than Western ones but I have a certain liking for high information density apps, and find uncluttered screens sometimes a bit annoying and overly patronising.
I thought bullet chat on Bilibili was a very fun concept that probably doesn't translate quite as well to western media but YouTube has come up with a nifty half way by flashing comments with timestamps under the video