Four control points
Intake
Define the product reference, vehicle or engine application, destination market, quantity and required evidence before sample review begins.
Physical review
Compare visible construction, markings, dimensions, kit contents and packaging against the request line and sample record.
Evidence scope
Keep drawings, reports, certificates or supplier documents tied to the exact product, revision, holder and decision they support.
Approval baseline
Record discrepancies, disposition, approved scope and change requirements before repeat ordering or private-label release.
What the buyer should request
Certificates, test reports, drawings and factory documents are confirmed only when they apply to the exact product, supplier record and written offer being reviewed.