In the current context of market uncertainty and cross-border supply chain complexity in the integrated circuit industry, strengthening supplier flexibility, collaboration, and information sharing can help establish a stronger, more flexible, and efficient supply chain system. Improving supplier performance can help enterprises improve competitiveness, establish a sustainable supply chain system, and lay a solid foundation for long-term development. The aim of this study is to explore in depth the impact of supply chain agility, supplier collaboration, and information sharing on supplier performance in the integrated circuit industry, and to construct a supplier relationship management framework based on these relationships. By systematically analyzing the relationship between supply chain flexibility, supplier collaboration, information sharing, and supplier performance, combined with the special background of these three key factors in the integrated circuit industry, new theoretical and practical guidance is provided to improve supplier performance. This paper uses descriptive research methods and questionnaire surveys as the source of data collection. Perform statistical analysis using regression analysis and analysis of variance. The survey results show that the flexibility of suppliers has a moderate positive correlation with timely transmission of key information to adapt to changes in new technologies and market trends. In addition, there is a moderate positive correlation between information transmission and supplier production plan adjustments, highlighting the importance of information sharing in improving supplier flexibility and collaboration. The study further revealed a positive correlation between supplier collaboration and information transmission and sharing. This indicates that by strengthening collaboration and information sharing among suppliers, supplier synergy can be improved, thereby enhancing the flexibility and performance of the entire supply chain. However, in terms of supply chain transparency, supplier collaboration is relatively weak and may be limited by technology and intellectual property rights. For supply chain integration, research has found a weak positive correlation with information transmission and supplier information sharing. Although this relationship is weak, supply chain integration has been proven to have a positive effect on improving information sharing efficiency and supplier performance. However, the correlation between collaboration and information sharing in the entire supply chain is weak, emphasizing the crucial role of information sharing in promoting collaboration and performance improvement in the entire supply chain. Supply chain agility, supplier collaboration, and information sharing all have a direct or indirect impact on supplier performance. By improving corresponding aspects, they can bring excellent profits and competitiveness.