丁关根部长在铁道部全路工作会议上代表部党组所作报告中指出:“……‘七五’要打好两个翻身仗,……第二个翻身仗是:大力改造机车车辆工业,大幅度提高生产能力和产品质量。到九十年代,机车车辆将全部国内自给,满足运输需要。到‘七五’末期, Minister Ding Guangen pointed out in his report on behalf of the Party Group at the all-road work conference of the Ministry of Railways that "... ... we will lay a good foundation for two turnarounds in the 75th Five-Year Plan period. The second turnaround battle is to vigorously transform the rolling stock industry, A substantial increase in production capacity and product quality to the nineties, locomotives and rolling stock will be all domestic self-sufficiency, to meet the transport needs to the end of the seventh five-year plan,