2021 Shanghai Cooperation Organization International Investment and Trade Expo

It was held on April 26, More than 1600 enterprises from more than 30 countries and regions gathered in Jiaozhou in the most beautiful April  

To renew friendship, discuss cooperation and seek common development

As the strategic cooperative unit of this event, Qingdao Weida displayed more than 20 types of daily protective masks, which were favored by friends from home and abroad.