The accomplishment of sustainable competitive advantages allied to the management and flourishing organizational systems fusing technologies and business strategies. Our study investigated the association of idealized influence and inspirational motivation leadership with sustainable competitive advantages under the lens of contingency theory. Specifically, emphasizing on the mediating role of IT-business strategic alignment in connection to strategic leadership and sustainable competitive advantages. In this paper business and computer graduates were utilized for pre-testing of study model. Followed by final survey of manufacturing sector of Yunnan, China to test hypothesized model based on executives' response. The study findings reported significant association and came with a conclusion that leaders' idealized influence and inspirational motivation behavior are significant predictor of sustainable competitive advantages. Moreover, IT-business strategic alignment significantly mediated the relationship of idealized and inspirational leadership reaching towards sustainable competitive advantages. Firstly, this paper comprehends to the field of strategic management by emphasizing on neutralization of threats and exploitation of market opportunities. Secondly this paper reported empirical evidence that structured a guideline for the executives working in manufacturing sector to come up with ideal fit for attaining competitive position in the market.