Extractables and leachables (E&amp;L) remain as one of the hottest topics in China &ndash; a topic to which West makes a strong commitment &ndash; in order to anticipate and address ever-changing regulatory and technical requirements. As part of this commitment, Lynn Yao, Scientific Affairs Manager at West, presented <em>Challenges of E&amp;L Study Under Changing Regulatory Environment</em> at the second-annual <span style="text-decoration: underline;">Extractables and Leachables China</span>, hosted by Smithers Rapra, September 2019 in Shanghai. This event assembled local stakeholders and experts for two days of presentations, training, and discussion on the China regulatory landscape, testing methods, and technical advances.