世纪之交，党中央把加快中西部地区的经济发展提到重要议事日程，并作出了实施西部大开发的战略决策。这对地处我国中西部腹地的三线企业，特别是三线军工企业，无疑是一次千载难逢的好机遇。同时，也为以“调整改造、发挥作用”为指导方针的三线调整工作提出了新的内涵和要求 At the turn of the century, the Party Central Committee put the acceleration of economic development in the central and western regions on the agenda of important issues, and made a strategic decision to implement the development of the western region. This is a good opportunity for a third-tier company located in the hinterland of China’s central and western regions, especially the third-line military enterprises. At the same time, it also proposes new connotations and requirements for the three-line adjustment work with the guiding principle of “adjustment, transformation, and function”.