Nie, X., 2020. Green collaborative development model and innovation of port machinery manufacturing industry and service industry. In: Yang, Y.; Mi, C.; Zhao, L., and Lam, S. (eds.), Global Topics and New Trends in Coastal Research: Port, Coastal and Ocean Engineering. Journal of Coastal Research, Special Issue No. 103, pp. 278–283. Coconut Creek (Florida), ISSN 0749-0208.

The existing green collaborative development mode and innovative research method are easily interfered by subjective randomness when calculating the green collaborative coefficient, resulting in the final moderate measurement value is too small. To solve this problem, a green collaborative development mode and innovative research method of port machinery manufacturing industry and service industry are proposed. The two industry development model is determined, and the long tail theory is used to plan the collaborative development industry chain, and the collaborative innovation value is calculated. By using the weight of green synergy coefficient modified by entropy method, the innovative research on the green synergy development mode of port machinery manufacturing industry and service industry is completed. The experimental results show that the appropriate measurement value of the research method in this paper is greater than 0.9, and the value is significantly greater than that of the two traditional research methods.