(Gengxu 28) in the first month, March 5, 1970, the Nuclear Non-Proliferation Treaty to enter into force.

"Nuclear Non-Proliferation Treaty, also known as" the nuclear non-proliferation Treaty or the Nuclear Non-Proliferation Treaty, January 7, 1968 in London by the United Kingdom, the United States, the Soviet Union and 59 countries, respectively [History www.lssdjt.com] Washington and Moscow to conclude an international treaty signed by a total of 11 models. The purpose of the treaty is to prevent nuclear proliferation and promoting nuclear disarmament and the promotion of international cooperation in the peaceful use of nuclear energy. The treaty entered into force on March 5, 1970. As of January 2003, a total of 186 Parties to the Treaty.
section about the provisions of 11, the main contents are: assurance of nuclear countries not directly or indirectly transfer of nuclear weapons to non-nuclear states not to assist non-nuclear states to produce nuclear weapons; non-nuclear countries not to manufacture nuclear weapons, does not directly or indirectly accept transfer of nuclear weapons in other countries, and not to seek or accept assistance in the manufacture of nuclear weapons, not to provide such assistance to other countries; cessation of the nuclear arms race and to promote nuclear disarmament; peaceful nuclear facilities under international safeguards of the International Atomic Energy Agency (IAEA), and provide technical cooperation in the peaceful uses of nuclear energy.
in accordance with the relevant provisions of the treaty is valid for 25 years, during which every five years to hold a Review Conference to consider the implementation of the treaty.
China decided to join the Convention on December 29, 199, March 9, 1992 to submit the accession effect of China.