China rebuffed President Donald Trump’s proposal for nuclear arms control talks as “unreasonable,” even as Beijing has more than doubled the size of its arsenal, unveiled an expansive array of nuclear-capable missiles and laid the groundwork for new nuclear tests this decade. China has a stockpile of about 600 nuclear warheads — a small fraction of the number held by the United States or Russia, which have 3,700 and 4,300, respectively, according to the Stockholm International Peace Research Institute, a Swedish think tank. But, since 2020, the Chinese military has expanded and modernized its arsenal far faster than any other nuclear power, and its buildup has become a serious challenge to post-Cold War efforts to prevent another arms race, analysts say.

Full report : China has expanded and modernized its nuclear arsenal at an astounding rate — and has refused to discuss arms control unless the U.S. agrees to parity.