In this early spring of 2020, the new coronavirus pneumonia epidemic hits suddenly, and an unprecedented encounter battle happens unexpectedly. At the end of 2020, The spread of the new coronavirus in China has been controlled. As the leading Micropump manufacturer of China. In 2021, LEFOO participated in Aquatech China in Shanghai, where merchants gathered, and LEFOO sales at the exhibition met face-to-face with old customers. In-depth meetings, and at the same time stepped up to get in touch with new customers.