Rongcheng's foreign trade is good in 2022. Rongcheng City was successfully approved as the first batch of AEO demonstration cities in Qingdao Customs District, and four new applicants have passed customs certification. There are * * * AEO enterprises 15 in Rongcheng City. In 2022, the AEO enterprises in the city realized import and export of 8.9 billion yuan, accounting for 31% of the total import and export of the city.