The dynamic pressure oil-film sliding bearing independently developed by Chongde Technology has been successfully applied in the gas turbine sector
In November 2025, SUND (stock code: 301548) disclosed on its investor interaction platform that its independently developed hydrodynamic film sliding bearings had been successfully applied in the gas turbine field, achieving a leap from a mainstream domestic manufacturer to a leading international enterprise.
According to the company's response, SUND's product line covers sliding bearings for small, medium, and large gas turbines, possessing complete independent design and manufacturing capabilities. Currently, the company has become a stable supplier for core domestic gas turbine manufacturers such as Shanghai Electric, Dongfang Electric, and Harbin Turbine Works. More notably, its gas turbine bearing products have begun to be supplied in batches to leading global gas turbine equipment companies, marking the formal entry of China's high-end sliding bearing technology into the international high-end equipment supply chain system.
This progress not only reflects SUND's technological accumulation in the field of high-speed, high-load, and high-reliability bearings, but also reflects the significant improvement in my country's self-sufficiency level in key basic components of energy equipment. As a high-tech enterprise focusing on the R&D and manufacturing of hydrodynamic film sliding bearings, SUND has continuously increased its investment in the supporting field of energy and power equipment in recent years, gradually building a full-chain technical capability covering design, materials, processes, and testing verification.
With the accelerated transformation of the global energy structure, efficient and clean gas turbines are increasingly being used in peak-shaving power sources, distributed energy, and industrial drives, leading to a continuous increase in demand for high-performance bearings. SUND's breakthrough in both domestic and international markets lays a solid foundation for further expansion into the international market and participation in global high-end equipment competition.
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