Do you provide quality inspection reports for each batch of bearings?

Yes, we provide comprehensive quality inspection reports for every batch of our precision bearings, ensuring full transparency and traceability. Each report includes key test results such as dimensional accuracy, surface roughness, hardness, and roundness. For customers requiring additional documentation, we can also provide material certificates, heat treatment reports, and performance test data including noise level, vibration, and salt spray test results for stainless steel bearings. Our quality control process follows ISO 9001 standards, with in-line inspections at every stage of production and final outgoing checks before shipment. These reports are provided free of charge with each order, giving you confidence in the consistency and reliability of our products.