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As China's economy enters a new stage of highquality development, the improvement of the quality of manufacturing enterprises has become the key to improving the quality and efficiency of China's economy. This paper takes Nanjing manufacturing enterprises as an example to reconstruct the quality competitiveness indexes and uses system dynamics to model and analyze the important factors affecting the quality competitiveness of enterprises. MATLAB software was used to regress and fit the causal equations corresponding to the modeling indexes. Then,the indexes and equations were input into Vensim software for system dynamics modeling to simulate the changes in quality competitiveness under different scale manufacturing enterprises. It is found that the larger the scale, the greater the quality competitiveness, and the factors affecting the quality competitiveness are different. Finally, some suggestions are put forward to improve the quality competitiveness of manufacturing enterprises. Keywords—quality; quality competitiveness; enterprise; system dynamics

Research on Quality Competitiveness of Manufacturing Enterprises Based on System Dynamics