February 2006 that the range of the JL-2 is �8,000+ kilometer�. When Sino-Soviet relations cooled in the late 1950s and early 1960s, the Soviet Union withheld plans and data for an atomic bomb, abrogated the agreement on transferring defense technology, and began the withdrawal of Soviet advisers in 1960. Talk by Mao Zedong at an Enlarged Meeting of the Chinese Communist Party Central Committee Politburo (Excerpts). U.S. Central In return, the Chinese agreed to sell their surplus uranium to the Soviet Union. f Regnery, 2000), pp. the force, with yields estimated between 10 kilotons and three China acquired thermonuclear weapons only 32 months after its first atomic bomb test, much faster than the United States (over 7 years after its first test) and the Soviet Union (almost 4 years after its first test) took to build their respective hydrogen bombs. The Ministry of Foreign Affairs announces the Chinese delegates for the Indian Peace and Disarmament Conference and the Afro-Asian Peoples' Solidarity Assembly. Based on these, and numerous other U.S. Air Force, are believed to be in storage for a total stockpile of approximately CSS-2 IRBM Force,� Foreign Missile Update, NAIC-1030-098B-96, pageTracker._trackPageview(); History and Public Policy Program China acceded to the Non-Proliferation Treaty (NPT) in 1992, entering the agreement as a nuclear weapon state (NWS) along with the four other members of the UN Security Council (the United States, Russia, the United Kingdom, and France). Tour some of the key locations of the Manhattan Project with an audio guide. Of the assistance provided, most significant to China's future strategic nuclear capability were an experimental nuclear reactor, facilities for processing uranium, a cyclotron, and some equipment for a gaseous diffusions plant. Chemical separation of Pu235 from the mixed system of U235 and U238 would have been easier than physical separation, but the separation of plutonium and uranium was difficult due to the high radioactivity of the Pu-U system, and the severe toxicity of plutonium. The DF-4 may have become operational already in 1975. suggested that China had 250-296 launchers with 793-916 missiles of seven types. Although the Chinese atomic bomb project was mostly independent, it greatly benefited from Soviet support and from Western sources. The Sino-Soviet split sparked a period of intense paranoia in which China feared an attack on its nuclear facilities. China Nuclear Engineering & Construction Group (CNEC/CNECC) is building both the Sanmen and Haiyang plants. National Air Intelligence Center, �China Incrementally Downsizing Gromyko informs Liu Xiao of the Soviet position and strategy in its negotiations with the United States and the United Kingdom for halting nuclear tests. Intelligence Agency. c Handwritten Letter from Nie Rongzhen to Zhou Enlai on the Development of the Atomic Energy Industry. In the aftermath of the Sino-Soviet split, Mao declared the atomic bomb program to be solely Chinese. China envisioned [Mao Zedong's] Directive Regarding the Atomic and Hydrogen Bombs. Beijing ordered the construction of a new, secret facility for weapons design at Zitong, which included many underground buildings. June 21, 1958 . See: U.S. Department of Despite the termination of Soviet assistance, China committed itself to continue nuclear weapons development to break "the superpowers' monopoly on nuclear weapons," to ensure Chinese security against the Soviet and United States threats, and to increase Chinese prestige and power internationally. China began developing nuclear weapons in the late 1950s with substantial Soviet assistance. May have nuclear capability. Chinese Communist Party Central Committee Circular concerning the Transfer of Cadres and Workers to Participate in Atomic Energy Development Work (Excerpt).