Chris Horton, Taiwanese Accused of Trading with North Korea; The UN banned coal exports from North Korea last August. New York Times, Feb 21, 2018
("Chiang Kuo-hua 前高等法院法官江国华, previously a High Court judge, and his son, Chiang Heng 江衡, chartered a cargo ship through a Chinese middleman, which they used to transport coal to Vietnam from North Korea last summer. * * * Taiwanese prosecutors have not publicly disclosed the name or flag of the Chinese-owned vessel involved in the Chiangs' reported coal shipment to Vietnam")