At the invitation of the World Customs Organization (WCO), Beijing Bio-Institute of Biological Products Co. Ltd (BIBP), subsidiary of Sinopharm’s China National Biotec Group, attended the WCO COVID-19 vaccine awareness-raising session as the presenter on July 13, 2021. The BIBP introduced the supply chain， packaging  and anti-counterfeiting methods of the Sinopharm COVID-19 vaccine in their presentation and joined the following Q&A session, which was well received by the participants. The session raised international Customs’ awareness of Chinese COVID-19 vaccine so as to better safeguard the legal cross-border supply chain of COVID-19 vaccines.