Joined Cases T-407/06 and T-408/06: Judgment of the General Court of 4 March 2010 — Zhejiang Aokang Shoes and Wenzhou Taima Shoes v Council (Dumping — Imports of footwear with uppers of leather originating in China and Vietnam — Market economy treatment — Individual treatment — Sampling — Rights of the defence — Equal treatment — Injury — Legitimate expectations — Obligation to state the reasons on which the decision is based)