The United Nations Security Council imposed new sanctions on North Korea over its two recent intercontinental ballistic missile tests in July.
The U.S.-drafted resolution bans North Korean exports of coal, iron, iron ore, lead, lead ore and seafood.
It also prohibits countries from increasing the current numbers of North Korean laborers working abroad, bans new joint ventures with North Korea and any new investment in current joint ventures.
North Korea has been under U.N. sanctions since 2006 over its ballistic missile and nuclear programs.
North Korea has also accused the United States and South Korea of escalating tensions by conducting military drills.
China and Russia slammed U.S. deployment of the THAAD anti-missile defense system in South Korea.