Network Analysis of Industrial Symbiosis in Chemical Industrial Parks: A Case Study of Nanjing Jiangbei New Materials High-Tech Park

As the primary drivers of chemical industry, industrial parks should be characterized by symbiosis, which is essential for realizing worldwide transformation from linear to circular economies based on sustainable development. At present, a lack sufficient attention paid analyzing structural characteristics and interaction patterns symbiosis networks in parks, especially large-scale specialized national scale. In this context, with Nanjing Jiangbei New Materials High-Tech Park as an example, study applies social-network analysis empirically investigate network. The results revealed that network currently state low-level agglomeration poor transitivity index short-distance straight chains are main connections between enterprises few transverse connections. Recycling occupy core position network, while manufacturing mostly located periphery fail establish effective terms individuals, stakeholders’ understanding evaluation insufficient; enterprises, obstruction byproducts waste information circulation other factors obstacles restricting activities Park. Some policy recommendations proposed improve scale, these include establishing systems fostering multiple central nodes, advancing nested development among chains.