贵州省是上世纪国家“三线”建设重要基地。辖区内“三线”企业,多为上世纪60年代中期,通过整体搬迁、抽调组建等方式建成的,主要从事军工、航天航空装备的科研制造,曾为祖国的军工、国防事业发展做出了重大历史贡献。一、“三线”企业棚户区改造面临的主要困难上世纪90年代后期以来,“三线”企业开始由军品生产 Guizhou Province is an important base for building the “three lines” in the last century. In the area under its jurisdiction, the “three lines” enterprises were mostly built in the mid-1960s through the overall relocation and deployment of such equipment. They are mainly engaged in the research and manufacture of military and aerospace equipment and have made the development of the motherland’s military industry and national defense. Significant historical contribution. I. Major Difficulties Facing the Transformation of Shantytowns in the “Three Lines” Enterprise Since the late 1990s, the “three lines” enterprises have started to produce military products