The study aims to seek answers to two research questions, namely 1) Do product quality, and relational elements, namely trust, cooperation, and communication, influence customer loyalty of Malaysian E&E manufacturing firms toward their suppliers in Malaysian E&E manufacturing industry?, and 2) Does commitment mediate the relationships between product quality and customer loyalty, trust and customer loyalty, cooperation and customer loyalty, and communication and customer loyalty of Malaysian E&E manufacturing firms toward their suppliers in Malaysian E&E manufacturing industry? The study is organized according to research context, literature review and hypotheses development, research design, data analysis, testing of hypotheses and findings. It ends by offering contributions, managerial implications, and limitations of this study.