外交部回应美称中方秘密测试核武器：希望美方也能够切实遵守全面禁止核试验条约的义务和暂停核试验的承诺

Group 1 - The core viewpoint of the article emphasizes China's commitment to peaceful development and its policy of not being the first to use nuclear weapons, while also adhering to its pledge to suspend nuclear tests [1] - China expresses its willingness to work with all parties to uphold the authority of the Comprehensive Nuclear-Test-Ban Treaty and to maintain international nuclear disarmament and non-proliferation systems [1] - The article highlights China's expectation for the United States to fulfill its obligations under the Comprehensive Nuclear-Test-Ban Treaty and to take concrete actions to support global strategic balance and stability [1]