WuXi AppTec's Laboratory Testing Division (LTD) provides fully integrated drug discovery and development testing solutions through eight major business platforms and over 2,000 employees across sites in China and the US. LTD is one of WuXi AppTec's largest divisions, contributing significantly to revenue and cash flow growth. It offers end-to-end services from discovery through clinical trials, leveraging synergies across businesses in discovery, preclinical, and clinical testing to support drug nomination and regulatory filings.