核工业四○四厂地处西北戈壁，由于企业的特殊性，建厂至今，仍保留着政企合一的体制，对外又称甘肃矿区，职工们把她亲切地称为“核城”。四十多年来，四○四厂作为核工业的骨干企业，在艰苦创业的发展历程中，曾经为我国第一颗原子弹、第一颗氢弹的爆炸成功以及核科技的发展 Due to the special nature of the enterprise, the factory of plant for the nuclear industry is still located in the northwestern Gobi. Due to the special nature of the enterprise, the system of integrating government administration with the enterprise has been retained so far. Gansu mining area is also known to the outside world as the workers and workers refer to her affectionately as the “nuclear city.” For more than 40 years, as the backbone enterprise of the nuclear industry, No. 404 Plant has succeeded in the success of the first nuclear bomb and the success of the first nuclear hydrogen bomb and the development of nuclear science and technology in the course of arduous pioneering.