Sourcing focus
Each review starts with the application, then works through material, coating, magnetization, validation, origin, and production requirements.
Define what the source must deliver
Start by identifying whether the requirement is a loose magnet, a coated and magnetized part, or a finished magnetic assembly. Record the drawing revision, magnetic acceptance criteria, packaging, and documentation expected with samples and production. That scope provides a common basis for comparing responses.
Compare quotes on the same requirements
Check whether each quotation covers the same grade, geometry, coating, magnetization, quantity, tooling or fixture needs, inspection, and packaging. Separate sample requirements from recurring production requirements. A lower unit price is difficult to evaluate when those items differ or remain undefined.
Connect samples to the production specification
Agree on what a sample must demonstrate before ordering it: dimensional fit, magnetic output, coating behavior, or assembly performance. Keep the measurement method and acceptance criteria aligned with the drawing so that a successful sample can be compared with later production lots.
Plan the information needed for repeat orders
The sourcing discussion should address production volume, sample timing, inspection records, lot traceability, packaging, and communication when a specification changes. A documented baseline helps purchasing, engineering, and quality teams review repeat supply using the same requirements.
Review alternate materials before a disruption
If material exposure or continuity is a concern, compare qualified alternatives against the same application target. HRE-Free NdFeB, bonded NdFeB, ferrite, or an assembly change may require different validation. Confirm composition requirements and avoid treating a material label as approval for substitution.