The purpose of this study is to investigate the moderating effect of environmental factor i.e. technology specifically the hard technology in the relationship between element of competitive advantage i.e. resource value and innovation in enhancing firms sustainable advantage. Data was collected through personal questionnaire from166 manufacturing firms in Nigeria who are members of manufacturing association of Nigeria within North West and North Central zones, with 70% response rate. The results indicate that there is positive and significant relationship between resource value and innovation while moderated by hard technology. According to the result, manufacturers in Nigeria fully agree that hard technology is essential with unique valuable resources to enhancing sustainable competitive advantage a bit longer with continues innovations. This study adds knowledge to the theory and practice of competitive advantage particularly in Nigerias manufacturing firms. Its theoretical and empirical significance adds more insight on the previous empirical studies in the field that is to say it gives guidelines to manufacturers in Nigeria on the impact of strategic management approaches on competitive advantage. For government and firms, the study provides avenue of creation and generation of competitive advantage in Nigeria and Africa as a whole since the phenomena is general.