Exploring the Integration of Digital Economy and High-quality Manufacturing in Lianyungang: Coupling and Coordination Analysis

With the in-depth development of the new round of scientific and technological revolution and industrial change, digital technologies such as big data, Internet, cloud computing, blockchain, artificial intelligence and other digital technologies have a far-reaching impact on the manufacturing industry, and the digital economy has become an important engine for the promotion of high-quality development of the manufacturing industry. Therefore, in order to vigorously promote the digital economy of Lianyungang City to empower the high-quality development of the manufacturing industry, the use of Lianyungang City data from 2011-2021, the establishment of the digital economy and the high-quality development of the manufacturing industry evaluation index system, based on the entropy value method and the coupling coordination model, to explore the degree of coupling and coordination of Lianyungang City's digital economy and the high-quality development of the manufacturing industry. The study found that: from 2011 to 2021, Lianyungang digital economy index and manufacturing high-quality development index are showing an upward trend; from 2011 to 2021, Lianyungang's digital economy and manufacturing high-quality development in the coupling and coordination of the degree of upward trend, to reach the extreme coupling and coordination, but the gap from the developed cities is large, there is a large space for improvement. The conclusions of this study provide a certain reference for the promotion of coupled and coordinated development of digital economy and manufacturing industry in Lianyungang City in the future.