The US has accused China of conducting secret nuclear weapons tests and risking a new nuclear arms race.
He called on fellow nuclear powers to take urgent action to prevent an “unmitigated nuclear arms race”.
The US, China, and Russia have all pledged not conduct nuclear tests.
“China notes that the US continues in its statement to hype up the so-called China nuclear threat.
Donald Trump said last October that the US would resume nuclear tests on an “equal basis” with China and Russia, accusing the rival powers of conducting tests.
US researchers reported last year that all three of the leading nuclear powers were preparing nuclear test sites based on satellite imagery.
“These are very low yield tests rather than full-scale nuclear tests,” said Dr Albright, but added that the scale could be obscured by the practice of “decoupling” to dampen seismic signals. »