Quality Assurance
In order to ensure the excellent quality of our products, SYI own the complete testing & inspection instruments. From the raw materials to finished products, our QA departments inspect every single step. We have following inspecting instruments: Metallurgical Microscopes, Figure(Roughness & Contour) Measure Instrument, Roundness and Cylindricity Tester, Parellism and Perpendicularity measurements Micro-hite 900, Hardness tester, Bearing Vibration Tester, Bearing Lifespan Tester, High-Speed Balance Tester. The entire instrument is calibrated & maintained by Taiwan CNS system. All the manufacture process is under strict inspection and monitor; SYI can provide the complete track back data for the bearing under our customer's requirement. Manufacturing Process  Inspection Instruments 
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