This study examines the development of the Chinese communications industry and the status of cooperation between China and Korea in smart operations and maintenance (O&M). It highlights China’s rapid advancements in network infrastructure, communication revenue, and cellular IoT users, offering new opportunities for Sino-Korean collaboration in smart O&M. However, challenges such as technology gaps, standards differences, and cultural barriers exist. Strategies proposed include promoting technology exchange, joint R&D, standard harmonization, and market expansion. Despite limitations in data availability and challenge analysis, this study aims to inform policymakers, corporate decision-makers, and industry experts to address challenges and promote sustainable development in the communication industry. Future research will integrate quantitative studies to identify key challenges objectively and aid stakeholders in clarifying management priorities.