Transformation and upgrading strategy of China's manufacturing in the context of global value chain 并列题名：Transformation and upgrading strategy of China's manufacturing in the context of global value chain China's industrial transformation and upgrading in the context of global value chain 并列题名：China's industrial transformation and upgrading in the context of global value chain Transformation and upgrading of China's manufacturing industry Reforming the international trade statistical methodology in the context of global value chains Research on the transformation and upgrading path of China's manufacturing industries under multiple constraints Research on the impact of manufacturing servitization on China's manufacturing export upgrading from the perspective of global value chain 并列题名：Research on the transformation and upgrading path of China's manufacturing industries under multiple constraints Enterprise upgrading in technological capabilities perspective and the context of global value chain