01China · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGRenben Group Co., Ltd.
One of China's largest private bearing manufacturers, producing deep groove ball bearings, tapered roller bearings, and linear guide rails for automotive, home appliances, and industrial automation. Owns multiple ISO/TS-certified production bases and a national enterprise technology center.
deep groove ball bearingstapered roller bearingslinear guide railsautomotive wheel hub units
1 evidence items · Updated 01 Sep 2026 02China · exact location under review · DISCOVERY CANDIDATE · REVIEW PENDINGZhejiang Tianma Bearing Group Co., Ltd.
Publicly listed bearing manufacturer producing deep groove ball bearings, cylindrical roller bearings, and linear motion systems for wind power, rail transit, and industrial drives. Holds national high-tech enterprise status and operates multiple provincial engineering centers.
deep groove ball bearingscylindrical roller bearingslinear motion systemswind turbine pitch bearings
1 evidence items · Updated 01 Sep 2026