State Administration of Science, Technology and Industry for National Defense (SASTIND) is under direct supervision of the Ministry of Industry and Information Technology (MIIT). Its predecessor is Commission of Science, Technology and Industry for National Defense.

The major responsibilities of SASTIND involve the nuclear weapon, aerospace technology, aviation, armament, watercraft and electronic industries. It is established to strengthen military forces with additional personnel and more advanced equipment. Ensuring material supplies for the army is its top priority. Furthermore, it intends to contribute to the prosperity of the whole country by stimulating the manufacturing industry, gaining competitive edges through with superior production techniques. As the administrative and regulatory agency of science, technology and industry for national defense, SASTIND serves the needs of national defense, military forces, national economy, and military-related organizations. Meanwhile, it is also responsible for the coordination of communications and cooperation on the use of nuclear power and space activities with countries and international organizations.