The Yingkou City Government of Liaoning Province and Zhengwei International Group recently held a signing ceremony for the construction of a polyimide high-tech materials industry base in Yingkou, marking that this large-scale polyimide project will officially be established in Yingkou. Polyimide is an organic polymer material with excellent overall performance and an important component of the new material industry. This time, Zhengwei International Group and Junhua Technology and other companies will invest RMB 100 billion in three phases to build China's polyimide high-tech industrial base in Yingkou City and build an industrial cluster integrating R&D, production and application.

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