Customized Ruby Jewel Bearings (Al₂O₃) For Precision Instruments And Watch Movements

We show the practical steps and results so you can judge suitability quickly. This video demonstrates the manufacturing process and performance testing of Customized Ruby Jewel Bearings (Al₂O₃), showcasing their ultra-precision grinding and optical-grade polishing techniques. You'll see how these bearings deliver exceptional wear resistance and low friction in precision instruments and watch movements.