There is also a workers' cultural palace between Posts and Telecommunications Road and Heping Sea Road.
There is a night market near Kelpolo Hotel, and that one over there is better. This one is next to the West Lake, but it is far from Wu Shan Night Market. The West Lake is very big, so you didn't say exactly where you visited.
Is Huanglong near the West Lake-
Then Wu Shan night market is close, and there is a night market anywhere.