en.Wedoany.com Reported - Zhangxuan High-Tech Science & Technology Co., Ltd. (referred to as "Zhangxuan Technology"), a subsidiary of China's HBIS Group, has recently achieved a new breakthrough in the field of high-end material research and development, completing the customized production of 150mm diameter large-specification bearing material for the first time. All product performance indicators have met the required standards, and the material has been directly supplied to a high-end machinery enterprise for the manufacturing of bearing rings. This breakthrough marks a significant step forward for Zhangxuan Technology in process control and mass production capabilities for large-specification special steel products.
Zhangxuan Technology is a core backbone enterprise and a wholly-owned first-level subsidiary of HBIS Group. Its predecessor was the Longyan Iron Mine Stock Company, founded in 1919, and it joined HBIS Group in 2008. Headquartered in Xuanhua District, Zhangjiakou City, Hebei Province, the company has been committed to becoming a model for green and low-carbon transformation in the steel industry in recent years, steadfastly advancing green and low-carbon transformation and high-quality development, and striving to become a high-tech enterprise "originating from steel yet transcending steel." The company continues to deepen its presence in the special steel sector, with products covering multiple categories including grinding ball steel, bearing steel, gear steel, spring steel, anchor chain steel, cord steel, and bead wire steel. In the fourth quarter of 2024, the company's grinding ball steel production and sales increased by 94.48% quarter-on-quarter, and bearing steel production and sales increased by 86.37% quarter-on-quarter, both reaching historic highs.
To successfully complete this production task for large-specification bearing material, Zhangxuan Technology focused on the production line by implementing systematic process optimization and equipment upgrades. The company enhanced the heavy-load production capacity of the line by upgrading transmission and cooling bed conveying equipment, and optimizing and adapting the guide guard structure. The technical team redesigned and optimized the pass system, precisely adjusted the reduction distribution parameters, completed a specialized upgrade of the diameter gauge, and optimized the guide structure, completely eliminating operational deflection and passage interference issues. At the same time, by precisely adjusting sawing and chamfering process parameters, the company effectively prevented end-face defects in the finished product, ensuring uniform and stable core quality. This series of measures has laid a solid foundation for subsequent mass production of large-specification bearing materials.
Bearing steel is a key material for manufacturing core components such as bearing rings and rolling elements, requiring extremely high levels of purity, uniformity, and dimensional accuracy. The production of large-specification bearing material imposes higher demands on rolling equipment, pass design, temperature control, and surface quality. The successful production of this 150mm diameter large-specification bearing material demonstrates Zhangxuan Technology's process control capabilities and mass production level in the field of large-specification special steel products. In recent years, the company has accelerated its transformation from "steel to materials, and from manufacturing to services," continuously increasing its technical marketing efforts and actively connecting with key customer needs. In 2026, the company plans to cultivate 1 to 3 new product series for 61 direct-supply customers.
The successful production of this large-specification bearing material is another achievement in Zhangxuan Technology's ongoing technical breakthroughs in the high-end special steel field. It further enriches the company's high-end material product matrix, helps enhance its competitiveness in the bearing material market segment, and provides new guarantees for the supply of key materials to the high-end equipment manufacturing industry.
