Core Viewpoint - The visit of Zhang Baofeng, a member of the General Administration of Customs and Director of the National Port Management Office, to Mongolia and South Korea focused on enhancing border port management cooperation and trade facilitation between China and these countries [1] Group 1: Meetings and Agreements - The sixth meeting of the China-Mongolia Border Port Management Cooperation Committee was co-chaired by Zhang Baofeng and the head of the Mongolian Border Port Management Bureau, resulting in the signing of meeting minutes [1] - Discussions were held with officials from customs, agriculture, and transportation departments of both countries regarding trade security, agricultural product trade, and mutual recognition of Authorized Economic Operators (AEO) [1] Group 2: Cooperation Documents - Two cooperation documents related to animal and plant quarantine were initialed during the visit, indicating a commitment to enhance biosecurity measures [1] Group 3: Field Research and Exchanges - The delegation conducted field research on customs supervision, cross-border e-commerce, and food production enterprises in the host countries, facilitating work exchanges with representatives from the Chinese embassy [1]