China's new energy vehicle industry is reshaping the industrial ecology through the combination of digital technology and social innovation models, promoting the synergistic development of environmental sustainability and social equity. This paper selects three typical cases, namely, Azera Motors (BaaS power exchange model), BYD (green power park) and Star Charge (rural charging network popularization), to analyze how they use digital technology to break through the bottlenecks of the traditional industry and create social value in the dimensions of resource allocation, employment equity and regional coordination. The study finds that digital technology has become a core lever for green and fair transformation by lowering thresholds, optimizing resource allocation and empowering disadvantaged groups, but it also faces challenges such as the lack of uniformity in technical standards and the aggravation of the digital divide. It concludes with policy recommendations, emphasizing the need to build a “technology-institution-society” collaborative innovation system.