Fearless have stuck up a new demo on their Douban and it's face-meltingly good. It's an instrumental track, like the other one on the page and you can listen to it here.
Andy's covered the metal scene here in Shanghai a fair bit. A good starting point is this post right here on the Hell United collective, which also includes some handy links to other metal artists and Andy's previous posts on the genre.
Go check it out.