http://blog.sina.com.cn/s/blog_6ab1f9f80102wjjj.html (not my photos)

The business class coach is the last/first car, and the area around the end of the platform is cordoned off a bit, with a validation machine at the entrance where you can swipe your Shenzhen transport card for the business class supplement.

Apart from that, it all pretty much looks like the rest of the Shenzhen Metro.