Based on the five major development concepts, this paper constructs the high-quality development level index of the manufacturing industry, measures the high-quality development level of the manufacturing industry in the Pearl River Xijiang Economic Belt from 2012 to 2020, and explores the temporal and spatial evolution characteristics of the high-quality development of the manufacturing industry in the river basin. The results show that the characteristics of high-quality development level of manufacturing industry in the basin show an inverted "U" curve trend, which is manifested as the development characteristics of "one axis and dual core" in Guangxi and Guangdong in terms of regional development differences. Finally, by summarizing the development characteristics of "one axis and two cores" in the river basin and drawing on the development ideas of metropolitan areas, this paper proposes to build four functional development zones of green innovation, cooperation and collaboration, structural transformation and openness and sharing, so as to provide a theoretical basis for the high-quality development of manufacturing industry in the river basin. 

Xiaoxuan Yuan. Research on the Temporal Evolution Characteristics of High-Quality Development of Manufacturing Industry in the Pearl River Xijiang Economic Belt. International Journal of New Developments in Engineering and Society (2023) Vol.7, Issue 5: 18-26. https://doi.org/10.25236/IJNDES.2023.070503.

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