[WuXi PharmaTech (Cayman) Inc. Form 6-K Scheme Document dated July 1, 2010 99.1 Letter to Shareholders dated July 1, 2010 99.2 Form of Proxy 99.3 Voting Instruction Card 99.4 WuXi PharmaTech (Cayman) Inc. S E I / Ge Li Chairman and Chief Executive Officer THIS DOCUMENT IS IMPORTANT AND REQUIRES YOUR IMMEDIATE ATTENTION If you are in doubt If you]