建国以来,随着铁路运输的不断发展,铁路机车车辆工业也迅速发展壮大。经过调整和改造,新建和扩建了一批机车车辆大型骨干企业,逐步形成了一个制造与修理相结合的完整的生产体系。我国铁路机车车辆工业生产,经历了由修理到制造,由仿制到自己设计制造的过程。尽管机车车辆保有量都有了很大的增长,但与铁路运量的增长速度(1986年底客货周转量比 Since the founding of the People’s Republic of China, with the continuous development of railway transportation, the railway rolling stock industry has also rapidly developed and expanded. After adjustment and transformation, a number of large-scale backbone enterprises for rolling stock were newly built and expanded, and a complete production system combining manufacture and repair was gradually formed. China’s railway rolling stock industrial production, has gone from repair to manufacturing, from imitation to their own design and manufacturing process. Although the number of rolling stock has been greatly increased, but the growth rate of railway traffic (1986 turnover ratio