Abstract: Under the dual background of rural revitalization and high-quality development of the mining industry, a persistent “input-perception” gap has been observed in China’s mining areas, where increased fiscal expenditure and expanded public service provision have not been fully translated into equivalent perceived gains among farming households. Existing studies have predominantly concentrated on enlarging the aggregate supply of public services, while the influence of multi-actor linkages, interaction processes, and contextual conditions within the “enterprise-government-villager” nexus on the formation of perceived gains has been insufficiently addressed. In this study, mining-area farming households are used as the basic unit of analysis. A total of 5 886 valid observations from the 2020-2022 waves of the “China Rural Grassroots Governance and Public Service Survey”（CLES） are employed to construct a theoretical framework linking mining-area governance network density, citizen participation efficacy, and perceived gains of public services, with social trust incorporated as a contextual moderating variable. Hierarchical linear modelling（HLM） is applied, and combined mediation-moderation analyses are conducted to test the proposed relationships. The empirical results indicate that governance network density in mining areas exerts a significant positive effect on farming households’ perceived gains of public services; however, this effect is constrained by the characteristic enterprise-community dual structure in mining areas, implying that institutional embedding, resource coordination, and trust-building arrangements are required to mitigate the inherent structural tension. Citizen participation efficacy is found to play a partial mediating role between governance network density and perceived gains of public services, and participation by mining-area farmers tends to exhibit pronounced instrumental rationality, being mainly oriented toward compensation-related issues such as environmental rights protection, resettlement in subsidence zones, and benefit compensation. Furthermore, social trust positively moderates both the “governance network density → perceived gains of public services” and “citizen participation efficacy → perceived gains of public services” paths. A threshold effect is identified whereby, once information disclosure and institutional transparency reach a certain level, the amplifying effect of trust on perceived gains is substantially strengthened. These findings elucidate the generative mechanism of perceived gains of public services in mining areas and provide empirical implications for resource-dependent regions seeking to enhance farmers’ perceived gains through the construction of collaborative “government-enterprise-village” governance networks, the improvement of interest expression mechanisms, and the implementation of trust-repair initiatives, thereby supporting rural revitalization and the modernization of mining-area governance.