Direct expropriation
Most-favoured nation treatment
http://www.iareporter.com/articles/20120922_1 (requires subscription)
http://www.iareporter.com/articles/20090719_13 (requires subscription)
http://globalarbitrationreview.com/news/article/31019/belgium-chooses-counsel-chinese-icsid-claim/ (requires subscription)
http://globalarbitrationreview.com/news/article/30840/belgium-faces-icsid-claim-chinese-investors/ (requires subscription)