On the morning of July 6, the 30th China Lanzhou Investment and Trade Fair was grandly opened in Lanzhou. This Lanzhou Fair was hosted by the Gansu Provincial People's Government and co-organized by 11 units including the China-ASEAN Center. With the theme of "Sharing Opportunities, Seeking Common Development, and Creating Prosperity", Lanzhou and Zhangye were set as theme cities, aiming to actively connect with the national opening-up strategy, seize the major opportunities of the "Belt and Road" construction, and implement the "four strong" actions of strengthening science and technology, strengthening industry, strengthening provincial capitals, and strengthening counties, so as to consolidate and deepen the economic and trade exchanges and cooperation between Gansu Province and the countries and regions and provinces (autonomous regions and municipalities) that jointly build the "Belt and Road".