After briefly issuing a web security certificate for a portal linked to Iran's U.S.-sanctioned Persian Gulf Strait Authority, a Shanghai-based firm revoked it, though the move could still draw scrutiny under U.S. sanctions rules
https://www.foxnews.com/world/china-firm-gave-iran-lifeline-collect-hormuz-tolls-before-pulling-plug-amid-us-warning
https://www.foxnews.com/world/china-firm-gave-iran-lifeline-collect-hormuz-tolls-before-pulling-plug-amid-us-warning