At the October 30 routine press conference of the Ministry of Foreign Affairs, reporters asked that U.S. President Trump said he had ordered the immediate resumption of U.S. nuclear tests. he also said that the U.S. has the world's largest nuclear arsenal, but currently China can catch up with the U.S. level in five years.

In this regard, spokesman Guo Jiangkun said that China hopes that the United States will earnestly abide by its obligations under the Treaty on Comprehensively Prohibiting Nuclear Tests and its commitment to suspend nuclear tests, safeguard the international nuclear disarmament and non-proliferation system with practical actions, and maintain global strategic balance and stability.