This research, the author intend to explore and to clarify the extent of improvement efforts on corporate environmental governance support in enhancing firms' financial sustainability. Specifically, the research attempts to measure the strength of the correlation between green supply chain management (GSCM) implementation and supply chain practices within the corporate governance environment to derive firm's sustainability. In addition, this research helps to clarify the concept of GSCM and sustain development via solutions to barriers on green efforts from Malaysia perspective. GSCM practices integration was identified by extensive search of the literature. In this article, they are proposing the conceptual model by taking the relationship between the GCSM practices and manufacturing sustainability. Their expectation on this research is to provide important contribution to the firm's sustainability. Most importantly, based on the obtained result the manager can enhance the GCSM performance accordingly