As a city covering the "bauxite - alumina - aluminum - deep processing of aluminum - secondary aluminum" entire industry chain, Sanmenxia City is taking "extending, supplementing, and strengthening the industry chain" as a breakthrough to drive the aluminum industry to transition from "resource-dependent" to "innovation-driven." Currently, there are 24 key aluminum industry enterprises in the city, including East Hope and Kaiman Aluminum, with an annual production capacity of 5.1 million mt of alumina, 240,000 mt of aluminum, 450,000 mt of deep-processed aluminum products (including aluminum plate/sheet and strip, aluminum extrusion, etc.), and 6 million wheel hubs. In the aluminum-based new materials industry chain, a pattern has emerged with East Hope and Kaiman Aluminum as the leading enterprises for alumina, Hengkang Aluminum as the leading enterprise for aluminum, and Baowu Aluminum as the leading enterprise for processing. In 2024, the output value of the city's aluminum industry exceeded 26 billion yuan, and an aluminum-based new materials industry chain with resilience, innovation, and a green foundation is accelerating its rise.