Zheng, Y., Huang, Y., Xia, Z., & Wang, W. (2026). Research on the Optimization of Marketing Strategies for Valve Enterprises in the Context of Digital Transformation: A Case Study of Wenzhou Dingjin Valve Co., Ltd. Frontiers in Economics and Management, 7(2), 52-58. https://doi.org/10.6981/FEM.202602_7(2).0007