<p>Vietnam and China have signed 37 agreements during Chinese President Xi Jinping's two-day visit to Hanoi, including on cross-border rail development and trade.</p><p>The two countries have also agreed to conduct joint patrols in the Tonkin Gulf, according to reporters who witnessed the signing ceremony.</p>
<p>Vietnam and China have signed 37 agreements during Chinese President Xi Jinping's two-day visit to Hanoi, including on cross-border rail development and trade.</p><p>The two countries have also agreed to conduct joint patrols in the Tonkin Gulf, according to reporters who witnessed the signing ceremony.</p>