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This paper studies the 'catching-up' process of China's emerging wind turbine manufacturing ecosystem, and analyses the dynamics of the shifting collaborative innovation network for the period 1980-2011. We have focused on the leading wind turbine manufacturers [i.e., manufacturers of entire wind turbine system integrators (EWSIs)], as well as manufacturers of the turbines' sub-ecosystems (i.e., four key component provider manufacturers: blade, gearbox, generator and control system). A network analysis method was adopted to depict the evolutionary process of the wind turbine manufacturing ecosystem. In summary, this research explores: 1) the different technology accumulation/localisation patterns in four different phases of the manufacturing ecosystem, and the collaborative innovation network; 2) the different roles and their interactions in the wind turbine manufacturing ecosystem in China; 3) the driving forces of the evolution of the wind turbine manufacturing ecosystem. The findings aim to demonstrate the evolutionary trajectory of China in terms of the 'catching-up' of this industry, and contribute to theories of the business ecosystem lifecycle and complementary assets. [ABSTRACT FROM AUTHOR]