Police officers are seen in front of trucks carrying COVID-19 prevention and control materials at a border crossing between China and Vietnam, on May 12, 2020. China's Ministry of Public Security on Tuesday donated COVID-19 prevention and control materials to Vietnam's Ministry of Public Security. These materials, including KN95 masks, disposable surgical masks, medical protective suits, gloves and goggles, were delivered at a border crossing between the two countries. (Chinese Embassy to Vietnam/Handout via Xinhua)

China's Ministry of Public Security on Tuesday donated COVID-19 prevention and control materials to Vietnam's Ministry of Public Security.

Representatives of China and Vietnam pose for a group photo with COVID-19 prevention and control materials at a border crossing between China and Vietnam, on May 12, 2020. China's Ministry of Public Security on Tuesday donated COVID-19 prevention and control materials to Vietnam's Ministry of Public Security. These materials, including KN95 masks, disposable surgical masks, medical protective suits, gloves and goggles, were delivered at a border crossing between the two countries. (Chinese Embassy to Vietnam/Handout via Xinhua)

These materials, including KN95 masks, disposable surgical masks, medical protective suits, gloves and goggles, were delivered at a border crossing between the two countries.