To provide high life imperial tapered roller bearings, double row spherical roller bearings, single row cylindrical roller bearings, and double row tapered roller bearings for main engines such as HP series bowl coal mills, MPS series roller disc coal mills, and ZGM series coal mills for thermal power generation. Single row cylindrical high-speed, low-noise, and double row spherical roller bearings are matched with the variable speed part of wind power generation.

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