Supplier Verification & Pre-Shipment Quality Inspection Protocol

Sourcing & Quality · 2025-02-06 · HayGorc Sourcing & Audit Desk

Reducing manufacturing and specification risk through legal due diligence, golden-sample sign-off, and warehouse inspection.

When onboarding new international manufacturers for industrial inputs or private-label goods, specification drift and unverified intermediaries represent the primary commercial risks. Releasing balance payments solely against seller-issued packing photos exposes buyers to costly claims after arrival.

Structured B2B sourcing relies on a three-stage verification workflow: corporate registration and export-license validation, golden-sample technical approval, and formal Pre-Shipment Inspection (PSI) prior to container sealing.

During warehouse inspection, inspectors verify batch quantities, carton drop-test durability, mandatory compliance labeling, and container loading integrity before final settlement.

Three-Stage Supplier Verification Workflow

  • 01. Entity & License Due Diligence — Confirm legal registration, manufacturing scope, and direct export credentials.
  • 02. Golden-Sample Benchmarking — Lock material tolerances, technical grades, and packaging specs into contract annexes.
  • 03. Pre-Shipment Inspection (PSI) — Audit finished batch counts, labeling accuracy, and container seal documentation.