<Ul> <Li> International Military Cooperation Office </Li> </Ul> <Li> International Military Cooperation Office </Li> <Ul> <Li> NPC Foreign Affairs Committee </Li> <Li> CPC International Liaison Department </Li> <Li> State Council Information Office </Li> <Li> State Administration of Foreign Experts Affairs </Li> <Li> Overseas Chinese Affairs Office </Li> </Ul> <Li> NPC Foreign Affairs Committee </Li>

When was china added to the un security council