Research on Financial Performance Evaluation of Listed Companies in Iron and Steel Industry

To improve the performance level of the iron and steel industry plays an irreplaceable role in the development of the country's industrialization and the development of the national economy. This paper selects 31 listed companies as the research sample. This paper uses DEA to analyze the comprehensive efficiency, pure technical efficiency, scale efficiency and returns to scale from 2011 to 2015. The results show that the efficiency of the iron and steel industry in recent years in general, hoping to improve the scientific and technological innovation, industrial concentration and energy saving and emission reduction.