Guiding capital factors to gather in the field of long-term value creation of enterprises is the key support for promoting the optimization and upgrading of the industrial chain supply chain and accelerating the construction of a powerful manufacturing country. Based on the data of A-share manufacturing enterprises from 2008 to 2024, the impact of patient capital on the upgrading of the value chain of manufacturing enterprises and its mechanism of action was empirically examined. The results found that patient capital can significantly promote the upgrading of the value chain of manufacturing enterprises, and realize the mechanism empowerment by suppressing the two independent paths of enterprise financialization and alleviating financing constraints and the two chain intermediary effects. At the same time, abundant callable resources can strengthen the positive impact of patient capital on the value chain upgrading of manufacturing enterprises. Sound. Heterogeneity analysis found that the role of patient capital in promoting the upgrading of the value chain of manufacturing enterprises is more prominent in non-provincial capitals, low-market cities, and enterprises with labor-intensive and low-management incentives, indicating that patient capital plays a stronger role in the context of weak external institutional environment or insufficient internal governance. Further analysis shows that patient capital can promote the improvement of the market position of manufacturing enterprises by promoting the upgrading of the value chain of manufacturing enterprises. From the perspective of capital factor allocation, this article reveals the inherent logic of patient capital-driven manufacturing enterprises to climb to high value-added links in the value chain. It provides important empirical evidence and policy inspiration for optimizing the patient capital structure, improving long-term investment guidance policies, and helping to build a powerful manufacturing country.