The questions behind a sound supplier decision.

Supplier qualification should make evidence, supplier claims and unresolved checks visible before selection.

Process, material, geometry, tolerances and inspection fit.

Production model, quantities, batch size, capacity and replenishment timing.

Certifications, inspection equipment, records and traceability expectations.

Unit price, tooling, setup, packaging, freight and other visible cost drivers.

Dependencies, outsourced operations, material origin and critical lead times.

Responsiveness, responsibilities, commercial terms and change management.