Certified Vietnam Factories
Real Audits. Real Photos. Real Certs.
Our 178+ audited Vietnam factory network includes manufacturers holding ISO 9001:2015, IATF 16949, AS9100D, ISO 13485, and ISO 14001. Every certificate is physically verified on-site during Dewin's 50-point Dolphin Audit — issuing body, scope, and expiry all checked.
Why "ISO Certified" Needs to Be Verified
Vietnam's manufacturing sector is genuinely growing — and the cert landscape reflects this. Many factories hold real, IAF-accredited ISO 9001, IATF 16949, and AS9100D certificates issued by reputable registrars like Bureau Veritas, TÜV, SGS, and Lloyd's Register.
However, cert quality varies. Some factories hold certificates from non-IAF registrars. Others have certs with scopes that don't cover their actual production processes. And a certificate confirms a documented system exists — it doesn't guarantee the system is practiced on the floor.
Dewin's team physically visits every factory. We photograph the cert, check the registrar, verify the scope, and inspect the QMS in practice — before any buyer sources from that factory.
See Inside a 50-Point Audit →Verification Happens on the Factory Floor
These are real photos from our team's on-site visits — the same visits where certificates, calibration records, and inspection equipment are physically checked.
Certifications Available in Our Vietnam Network
For each certification, we explain what it covers, how Dewin verifies it on-site, and why it matters to international buyers.
ISO 9001:2015
All manufacturing industries
The international foundation for Quality Management Systems. Establishes requirements for documented procedures, customer focus, nonconformance control, corrective action, and management review.
Pillar 3 — Physical cert inspection, IAF registrar verification, QMS documentation review
Demonstrates to global buyers that consistent quality processes exist. Required baseline for most international supply chain qualification programs.
Minimum cert requirement for most US, EU, and Japanese OEM supplier qualification programs.
IATF 16949:2016
Automotive Tier 1 & Tier 2 component suppliers
The automotive sector's QMS standard. Mandates APQP, PPAP, FMEA, MSA, SPC, control plans, and customer-specific requirements (CSRs). Issued jointly by AIAG and IATF member OEMs.
Pillar 3 — IATF cert + PPAP samples + control plan documentation verified on-site
Positions Vietnam factories as credible Tier 1/2 suppliers to global automotive OEMs. Enables PPAP submissions and control plan delivery for demanding customers.
Required by GM, Ford, Stellantis, Toyota, Honda, and most Tier 1 automotive suppliers globally.
AS9100D
Aerospace, defense, and space component suppliers
The aerospace and defense quality standard (AS9100 Rev D). Adds to ISO 9001: risk management, AS9102 First Article Inspection, configuration management, and counterfeit parts prevention.
Pillar 3 — AS9100D cert + AS9102 FAI package + traceability records reviewed on-site
Enables Vietnam factories to enter global aerospace supply chains. Supports high-value programs requiring full lot traceability and FAI documentation.
Required by Boeing, Lockheed Martin, Raytheon, GE Aviation, and most defense primes. ITAR screening applied separately.
ISO 13485:2016
Medical device component and sub-assembly manufacturers
Medical device specific QMS standard. Requires design controls, device history records (DHR), risk management (ISO 14971), sterile product handling, and post-market surveillance readiness.
Pillar 3 — ISO 13485 cert + DHR sample review + cleanroom/controlled environment inspection where applicable
Aligns Vietnam factory quality systems with FDA 21 CFR Part 820 and EU MDR requirements for medical device component supply.
Required for FDA-registered device manufacturers and EU MDR compliance. US medical device OEMs increasingly source from ISO 13485-certified Vietnam factories.
ISO 14001:2015
All manufacturing industries
International EMS standard covering waste reduction, emissions control, environmental legal compliance, and continual improvement in environmental performance.
Pillar 1 — Facility & Safety: ISO 14001 cert + waste handling inspection + environmental register on-site
Meets ESG supplier requirements of US Fortune 500 procurement programs and demonstrates Vietnamese legal environmental compliance.
Required by many US and EU companies with supply chain sustainability commitments.
50-Point Dolphin Audit — Where Certifications Fit
Factory certifications are verified in Pillar 3 of our audit. But the Dolphin Audit checks 4 other critical dimensions that ISO certs alone don't cover.
| Audit Pillar | What We Check | Certification Relevance | Why It Matters |
|---|---|---|---|
| Pillar 1 — Facility & Safety | Workshop cleanliness, fire safety, PPE protocols, chemical storage, electrical safety, environmental compliance | ISO 14001:2015, ISO 45001:2018 | Unsafe or disorganised factories produce inconsistent quality. Facility condition is the first signal of management culture. |
| Pillar 2 — Equipment & Capacity | Machine models and condition, maintenance records, calibration certs, actual vs claimed capacity, tooling | Equipment calibration certificates (gauge/CMM/VMM) | An ISO cert does not guarantee the equipment is modern or maintained. We physically inspect every machine used for your part. |
| Pillar 3 — Quality Systems ⭐ | ISO 9001/IATF 16949/AS9100D/ISO 13485 cert physical verification, IAF registrar check, QMS documentation, NCR logs, corrective action files | All quality management certs verified here | This is the primary certification verification pillar. IAF accreditation, cert scope, and expiry are all checked. |
| Pillar 4 — Workforce & Management | QC team structure, operator training records, management system maturity, communication capability, sub-supplier controls | ISO 9001 workforce training clause compliance | People implement quality systems. A factory with ISO 9001 but no trained QC team is a risk. |
| Pillar 5 — Export Compliance | VCCI Form B issuance capability, COO documentation trail, substantial transformation verification, anti-circumvention procedures, FTA origin documentation | FTA Certificate of Origin capability (CPTPP, EVFTA, RCEP, UKVFTA) | Buyers sourcing from Vietnam for tariff benefits need verified origin. Pillar 5 confirms the factory can produce the required documentation. |
16+ Free Trade Agreements + Certified Factories = Maximum Buyer Value
Vietnam's FTA network eliminates or reduces tariffs for buyers in 60+ countries. Combined with ISO/IATF/AS9100-certified factories, buyers get both preferential tariff access and verified quality.
Zero/near-zero tariffs on certified Vietnam goods. Requires Form D/CPTPP Certificate of Origin.
Phased EU tariff elimination. Requires EUR.1 or origin declaration. ISO 9001/ISO 13485 certification supports buyer due diligence.
Preferential tariff rates within Asia-Pacific. RCEP Certificate of Origin required.
UK preferential tariff rates post-Brexit. Requires UK GSP/UKVFTA origin documentation.
Dewin Pillar 5 verifies each factory's ability to produce the required Certificate of Origin for your target market FTA — CPTPP Form D, EUR.1 for EVFTA, RCEP CO, or UKVFTA origin declaration. This verification is part of every Dolphin Audit.
Factory Tiers — How Dewin Scores Certified Factories
After the 50-point Dolphin Audit, each factory receives a QCLDM score out of 100. This score determines their Tier classification and active listing status.
| Tier | QCLDM Score | Cert Requirement | Typical Profile | For Buyers |
|---|---|---|---|---|
| Tier 1 | 90–100 | ISO 9001 + relevant industry cert | Mature QMS, IATF or AS9100D capable, strong export compliance, CMM/VMM on-site | Recommended for PPAP programs, automotive/aerospace, high-volume precision parts |
| Tier 2 | 80–89 | ISO 9001 minimum | Solid processes, growing cert portfolio, good COO capability, some inspection gaps | Suitable for most industrial sourcing, RFQ qualification, trial orders |
| Tier 3 | 70–79 | ISO 9001 preferred | Developing QMS, process capability adequate, limited advanced inspection | Suitable for non-critical parts, volume commodity sourcing with Dewin QC oversight |
| Probationary | 45–59 | No cert required | Newer factories, corrective action in progress, limited on-site verification | Not listed for active sourcing until re-audit confirms improvement |
| Not Listed | < 45 | — | Failed on critical Pillars (safety, COO, quality system), not eligible for buyer sourcing | Not available through Dewin network |
Certification Trust: Dewin vs Alternatives
| Factor | Dewin Vietnam | Alibaba / B2B Platforms | Trade Fairs | Freelance Sourcing Agent |
|---|---|---|---|---|
| Cert verification | Physical on-site inspection + photography | Factory-uploaded PDF (unverified) | Booth claim only | Varies — often unverified |
| IAF registrar check | ✅ Always | ❌ Not checked | ❌ Not checked | ⚠️ Sometimes |
| Cert scope verification | ✅ Matched to production process | ❌ Not checked | ❌ Not checked | ⚠️ Rarely |
| Expiry date monitoring | ✅ Checked at audit + renewal tracking | ❌ Not monitored | ❌ Not checked | ⚠️ Ad-hoc |
| QMS in-practice inspection | ✅ 50-point Dolphin Audit | ❌ None | ❌ None | ⚠️ Limited |
| Factory photos | ✅ 1,700+ real photos | ⚠️ Factory-supplied (unverified) | ⚠️ Booth only | ⚠️ Varies |
| FTA/COO capability verified | ✅ Pillar 5 export compliance audit | ❌ Not checked | ❌ Not checked | ❌ Rarely |
Frequently Asked Questions
Do Vietnam factories genuinely hold ISO 9001 and IATF 16949 certifications?+
Yes — many do. Vietnam's manufacturing sector has matured significantly, with a growing number of factories holding internationally recognised certifications from IAF-accredited bodies. However, the quality of certification implementation varies. Dewin's 50-point Dolphin Audit physically verifies each certificate on-site — confirming the issuing body is IAF-accredited, the scope covers the actual processes, and the QMS is genuinely implemented (not just documented on paper).
What is the Dolphin Audit and how does it relate to factory certifications?+
The 50-point Dolphin Audit is Dewin's proprietary factory assessment framework, conducted on-site by our Vietnam-based team. It covers 5 pillars: Facility & Safety, Equipment & Capacity, Quality Systems (where ISO/IATF/AS9100 certs are verified), Workforce & Management, and Export Compliance. Factory certifications are verified in Pillar 3, but the audit goes beyond paper certs to check whether quality systems are genuinely practiced on the factory floor.
How does Dewin match buyers with factories holding the right certifications?+
During the RFQ process, Dewin maps your certification requirements (ISO 9001, IATF 16949, AS9100D, ISO 13485, etc.) against our 178+ factory database. Each factory's verified cert portfolio, QCLDM score, and process capabilities are on file. We shortlist only cert-confirmed factories for your inquiry and include cert verification documentation in the factory match package.
Which FTAs benefit buyers sourcing certified parts from Vietnam?+
Vietnam has 16+ active Free Trade Agreements. Key ones for certified-factory buyers: CPTPP (covers Canada, Australia, Japan, Singapore, Mexico, and more — zero or near-zero tariffs on qualified goods), EVFTA (EU tariff elimination on most goods over 7–10 years), RCEP (intra-Asia preferential rates), and UKVFTA (UK preferential rates post-Brexit). Dewin's Pillar 5 export compliance audit verifies that factories can produce the required Certificate of Origin for each FTA.
How often are certified factories re-audited?+
Factories in the network are re-audited every 12–18 months, and immediately after any quality incident, management change, or production relocation. Certificate expiry dates are checked at each audit, and a factory with an expired certificate is suspended from active sourcing until renewal is confirmed.
Do all 178+ audited factories get quoted for my order?+
No. After the 50-point Dolphin Audit, each factory receives a QCLDM score out of 100. Only Tier 1 (90–100) and Tier 2 (80–89) factories are quoted for customer orders. Tier 3 factories (70–79) remain in the network under development but are not put in front of buyers.
Browse Certified Vietnam Factories
Tell us your certification requirements — ISO 9001, IATF 16949, AS9100D, ISO 13485. We'll match you with verified factories from our 178+ audited network, with cert documentation included in the factory profile package.