Research on the mechanism and model of green transformation of China's manufacturing industry driven by green innovation Research on the impact of fiscal and tax policies on green transformation and upgrading of manufacturing industry from the perspective of high-quality development Research on the efficiency measurement and path optimization of China's manufacturing industry upgrading driven by "Internet Plus" Research on the mechanism of international production capacity cooperation in China's equipment manufacturing industry under "The Belt and Road" initiative Research on the integration mechanism and model of traditional manufacturing industry and digital economy Research on the mechanism and path of enterprise transformation and upgrading in the internet age Research on the declining proportion of China's manufacturing industry Research on the mechanism and path of the manufacturing industry upgrading with "Internet Plus" Research on the high quality development path of China's manufacturing industry under the new global changes Research on the mechanism, path, and countermeasures of value chain climb in China's manufacturing industry under the perspective of high quality development