Factory Verification & Due Diligence in Vietnam

Before placing an order, buyers should verify that a supplier is legitimate, capable, and suitable for the product they intend to manufacture. Factory verification reduces sourcing risk by confirming whether the supplier can actually produce, control quality, and export reliably.

Key principle: A professional website, attractive samples, or low quotation does not guarantee manufacturing capability. Verification should happen before deposits, tooling payments, or production approval.
Factory Verification Checklist
Verification AreaWhat to CheckWhy It Matters
Company IdentityRegistration, legal name, addressConfirms supplier legitimacy
Factory SiteProduction location and facility sizeConfirms where goods are made
EquipmentMachines, tools, production linesConfirms technical capability
WorkforceStaff size, skills, production teamsShows capacity and scalability
Quality ControlInspection process and defect trackingReduces quality risk
Export RecordsExport markets and documentationShows international readiness
Documents to Request
  • Business registration certificate
  • Factory profile
  • Export documentation examples
  • Quality control procedures
  • Relevant certifications
  • Testing reports where applicable
Red Flags During Verification
  • Refusal to share basic company documents
  • Different company name on invoices
  • No clear factory address
  • Unwillingness to allow inspection
  • Poor knowledge of product details
  • Evidence of undisclosed subcontracting
Best practice: Verify shortlisted suppliers before sample approval or deposit payment. Early due diligence is cheaper than solving problems after manufacturing has started.
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Sample Development & Validation for Vietnam Sourcing and Manufacturing

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