Nanyang Hanye Special Steel Co., Ltd. is a wholly-owned subsidiary of Henan Longcheng Group Co., Ltd. t is a professional manufacturer engaged in the research, development and production of high-performance metal materials and special alloy materials, and a domestic production base for "special-type extra-heavy and extra-thickness" steel plates. It is a long-process steel enterprise and high-tech enterprise integrating ironmaking, steelmaking, continuous casting, molding casting, and rolling with heat treatment. Hanye Special Steel is mainly engaged in the research and development and application of new products, new technologies, new processes, and new materials for clean energy, equipment manufacturing, high-rise buildings, boilers and pressure vessels, shipbuilding and ocean engineering, engineering machinery, bridges, pipelines, dies and other fields. Its products have the characteristics of high technology content, high added value, high coverage, and import substitution.