Service · Due diligence before award
Supplier qualification in China
Due diligence on a Chinese supplier before the deposit leaves your account: Sinospect confirms that the company is registered and active on the official Chinese registry, that a working factory stands behind the offer rather than a trading desk or an empty shell, and that the certificates the project requires resolve at the body that issued them. The work runs in two steps — a desktop background check first, an on-site factory audit only where the desktop step leaves production capability unproven. In procurement language this is the pre-award gate: it runs on a single named supplier or a shortlist of three to five, and each candidate clears the four qualification layers or is documented as disqualified.
- First step
- Desktop due diligence · two business days
- If the file warrants it
- On-site factory audit, scheduled separately
- Buyer-side control point
- Pre-award qualification
- Working languages
- English · French · Mandarin
- Where it runs
- Supplier factories, certification registries and reference networks in China
- Engagement output
- Qualified shortlist + evidence pack
One supplier name is enough to start the desktop check.
Send the registered Chinese name or whatever identifier appears on the quotation. We will establish the entity, confirm which evidence can be checked remotely and say whether production capability still requires an on-site factory audit.
- Minimum input
- Supplier name, website, licence number or quotation
- Desktop pace
- Two business days once the registered name or code is established
- Recorded output
- Registry, certificate and reference findings with next-step recommendation
Quick answers
How do you verify a Chinese supplier before you pay a deposit?
Due diligence on a Chinese supplier answers three questions before money moves: is the company real and in good standing, is there a working factory behind the offer or only a trading desk, and do the certificates in the quotation hold up at their source. Sinospect runs it in two steps. A desktop background check comes first — business licence and Unified Social Credit Code validated against GSXT, the official Chinese company registry, then certificates authenticated at source and references contacted. An on-site factory audit follows only where that first step leaves production capability unproven. Every candidate ends in one of three recorded states: qualified, qualified with the conditions written down, or disqualified with the finding that failed it. In procurement language this is the pre-award gate; in buyer language it is due diligence. Same work, two names.
| Step | What it settles | What it cannot settle | Turnaround |
|---|---|---|---|
| Desktop due diligence (background check) | Legal existence and standing — business licence, Unified Social Credit Code, legal representative, registered capital, registered business scope, shareholders, enforcement and penalty records at GSXT — plus certificates resolved at the issuing body and references contacted by name | Whether the registered address is a working factory, and whether the line can build your equipment | Two business days once Sinospect has the supplier’s registered name or Unified Social Credit Code |
| On-site factory audit | The declared operating or production site, whether or not it differs from the registered address; what is on the line, which equipment is in service, and capacity against the claim — photographed and recorded | Nothing the desktop step already settled; the visit does not repeat the registry work | Scheduled per project once the desktop step is cleared, because it depends on factory access and travel |
Two business days is the turnaround on the desktop due-diligence record only, counted from the point Sinospect holds the supplier’s registered name or Unified Social Credit Code. It does not cover the on-site factory audit. It is also a separate commitment from the initial written assessment Sinospect returns on a quotation: that one reads an offer, this one is a completed record on a supplier.
What do supplier evaluation services in China check before award?
Sinospect runs supplier evaluation as a pre-award gate on one named supplier or a 3-5 shortlist. Each candidate clears four qualification layers or is logged as disqualified with the specific finding: legal registry identity, evidenced manufacturing capability, source-authenticated certifications, and contacted references. Qualification runs before any commercial price comparison.
| Qualification layer | What is checked | Evidence source | Failure output |
|---|---|---|---|
| Legal identity | Business licence, Unified Social Credit Code, legal representative, registered capital, registered scope, shareholders, enforcement and penalty records | GSXT — the National Enterprise Credit Information Publicity System (SAMR) | Disqualification log entry with the finding |
| Manufacturing capability | Factory address, production lines, equipment in service, capacity claims | Site observation, photos, OEM records | Capability gap documented |
| Certifications | ISO and product certificates, CE conformity routes, test reports | Issuing-body registry, IAF CertSearch, NANDO, lab accreditation | Certificate that does not resolve, flagged |
| References | Comparable installations, named and dated | Direct contact in the buyer's working language | Reference that cannot be substantiated, recorded |
How do you verify ISO and CE certifications for Chinese manufacturers?
Sinospect authenticates each certificate at its source rather than accepting it as presented. ISO certificates are resolved at the issuing body's registry and cross-referenced via IAF CertSearch; CE conformity routes are checked against the NANDO database; test reports are verified against the lab's accreditation. Any certificate that does not resolve is flagged.
| Document or claim | Verification source | Risk closed |
|---|---|---|
| ISO certificate | Issuing body's registry and IAF CertSearch | Certificate that does not resolve at the issuing body |
| Product certificate | Issuing body's registry | Product certificate that does not resolve at source |
| CE conformity route | NANDO database | CE route unchecked for EU-facing procurement |
| Test report | Lab's accreditation | Test report not backed by an accredited lab |
What are the deliverables and timeline for China supplier verification?
The timeline follows the two steps. The desktop due-diligence record — registry validation, certificate authentication and reference contact — is returned two business days after Sinospect has the supplier’s registered name or Unified Social Credit Code, and is often enough on its own for commodity equipment from an established supplier. A full first-pass qualification including an on-site factory audit runs two to four weeks, because it depends on factory access and travel; higher-value or custom work usually warrants it. Deliverables include a qualified shortlist, a disqualification log, and a per-supplier evidence pack.
| Deliverable | What it contains |
|---|---|
| Qualified-supplier shortlist | Candidates that cleared all four qualification layers |
| Disqualification log | Each eliminated candidate plus the specific finding that failed it |
| Evidence pack (per supplier) | Registry verification, certification authentication, reference-check notes, factory-visit findings |
| Risk flags + follow-up | Outstanding items flagged for follow-up |
01 · Scope
Where Sinospect intervenes
Qualification runs on the buyer's shortlist or named supplier before commercial comparison. The aim is a defensible award decision, not a survey of the market — Sinospect verifies the candidates the buyer is actually considering.
Engaged when
- A single named supplier needs to be verified before the order is committed.
- A three-to-five-supplier shortlist must clear qualification before commercial comparison.
- A new supplier is being added to an existing production line, brand range or import category and needs to clear the same standard as the incumbents.
- A supplier proposed at a trade show, by an existing partner or via a market recommendation has no public track record the buyer can read independently.
- An incumbent supplier needs to be replaced after a quality, delivery or relationship issue, and the buyer is comparing candidates from a known shortlist.
- An external party — bank, partner or downstream customer — requires an independent qualification record on file.
02 · Verification
Control points checked
Control point
Legal identity validated at the registry
Business licence and Unified Social Credit Code validated against GSXT — the National Enterprise Credit Information Publicity System operated by the State Administration for Market Regulation — reading the legal representative, registered capital, registered business scope, shareholders and any enforcement or penalty records on file.
Control point
Manufacturing capability evidenced
Factory address, production lines, equipment in service and capacity claims verified against site observation, photographs and OEM records — the check that separates a working manufacturer from a trading company presenting another factory's line, a showroom staged for visitors, or capacity that is quietly subcontracted out.
Control point
Certifications authenticated at source
ISO and product certificates resolved at the issuing body's registry; CE conformity routes checked against the NANDO database; test reports verified against the testing lab's accreditation.
Control point
References contacted, not assumed
Comparable installations named, dated and contacted with the buyer's working-language interlocutor; outcomes documented in writing, not paraphrased.
03 · Evidence
Supplier evaluation and verification, checked against written evidence
Qualification methodology is detailed in the resources below. This page lists what gets checked on the file.
- Legal
- Business licence, Unified Social Credit Code and registered business scope validated at the GSXT registry (SAMR).
- Legal representative, registered capital, shareholders, enforcement records, published penalties and sanctions screening on the entity.
- Technical
- ISO and product certificates resolved at the issuing body.
- Recent third-party inspection reports for comparable contracts.
- Operational
- Reference installations — client, year, contactable interlocutor.
- After-sales and spares arrangements for the destination market.
04 · Deliverables
Deliverables issued
Deliverable
For · Procurement leadQualified-supplier shortlist
Suppliers that cleared all four qualification layers, with the evidence indexed per supplier file.
Deliverable
For · Procurement and auditDisqualification log
Each eliminated candidate documented with the specific finding that disqualified them — usable for award justification, supplier reviews and future audits.
Deliverable
For · Engineering and financeEvidence pack per supplier
Registry verification, certification authentication, reference-check summaries and factory-visit findings, ready for engineering, bank or partner review.
Deliverable
For · Project ownerRisk flags and follow-up actions
Where a supplier clears with caveats, the conditions, residual risks and downstream checks are listed in writing.
05 · Risks reduced
Risks reduced before award
Risk
Award to a trading company, or to an empty shell, presenting itself as the manufacturer.
How Sinospect closes it
Business scope on the licence is read against the factory address, photographs of the production line, and registry checks on the OEM behind the offer.
Risk
Certificate that does not resolve at the issuing body.
How Sinospect closes it
Each certificate is verified against the issuer's registry; CE conformity routes are checked against NANDO; ISO certificates are cross-referenced via IAF CertSearch where applicable.
Risk
Reference installations that cannot be substantiated.
How Sinospect closes it
References are contacted by name and dated, not paraphrased from supplier marketing; absence of substantiation is recorded as a disqualification finding.
06 · Background resources
Background resources
- Resource · Protecting a deposit on China equipmentHow supplier evidence, payment terms and quality gates work together before funds are committed.
- China supplier qualification — methodology guideDetailed methodology behind the service: what qualification covers, what to ask for, and the red flags that should stop the process.
- Supplier due-diligence checklistUngated, printable checklist a buyer can pick up and use on a real supplier file.
- Service · Sourcing from ChinaThe supply mode this gate feeds — Sinospect sources, qualifies and supplies the order as principal, with the factory's final balance gated on its own QC.
- Service · Technical procurement reviewThe downstream service most commonly combined with qualification — the supplier's offer reviewed against the specification.
- Service · Quality assuranceAfter qualification, the next layer — specification, supplier alignment and the inspection tier calibrated to the project.
- Service · After-sales continuityWhere qualification leads long-term — the China-side relationship maintained beyond a single shipment.
- Selected field notesAnonymized examples of supplier-side findings and escalations from China-side procurement work.
07 · Questions
Frequently asked questions
Can I check a Chinese supplier myself on GSXT or a site like QCC?
Yes, and it is worth doing. GSXT — the National Enterprise Credit Information Publicity System — and the commercial aggregators built on it will show you the registered name, Unified Social Credit Code, legal representative, registered capital, business scope, shareholders and any published penalties. Two limits are worth knowing. The record is in Chinese, and matching it to the English name on a quotation is where most self-checks go wrong. And the registry cannot tell you whether the registered address is a working factory, whether the line can build your equipment, or whether a certificate in the quotation resolves at the body that issued it — the checks a buyer cannot usually close from outside China. A marketplace badge does not close them either: it records a membership or payment status on that platform, not the condition of the factory behind the listing.
How do you confirm the factory actually exists and can produce, rather than a trading company?
The registered business scope on the licence is read against the registered address, and then against what is physically on site. A trading company's scope reads as wholesale or import and export; a manufacturer's names the production activity. Where the two do not agree, the registry record of the OEM actually behind the offer is checked. On site, the evidence is the production line, the equipment in service and capacity against the claimed output — photographed and recorded, not paraphrased from supplier marketing.
When in the procurement cycle should qualification happen?
Before quotations are compared. Comparing prices across a shortlist that has not been qualified forces a false equivalence — the lowest quote often comes from the least-qualified supplier. Qualification runs first; commercial comparison runs on the candidates that clear it.
Can you qualify a supplier we already work with, or only new ones?
Either. Revalidation of an incumbent supplier is common after a quality or delivery issue, a leadership change at the supplier, the addition of a new product category, or before a multi-year commitment. The work runs through the same four layers; the record adds a delta against any prior qualification.
Does qualification always need a factory visit?
No — and the order matters. The desktop background check runs first on every file. Commodity equipment from an established supplier with verifiable documentation and reference installations can be qualified on that record alone. Higher-value or custom equipment, and any file where the desktop step leaves production capability unproven, warrants a physical visit. The decision is project-specific and recorded with the qualification result.
What does the qualification record contain?
A written shortlist of qualified suppliers with the supporting evidence pack — business-licence verification, certification authentication, reference-check notes, factory-visit findings where applicable — plus a separate file listing disqualified candidates and the reason each one was eliminated.
How long does qualification take?
Two paces, depending on how far the file has to go. The desktop due-diligence record — registry validation, document review, certificate authentication and reference contact — is returned two business days after Sinospect has the supplier's registered name or Unified Social Credit Code. A complete first-pass qualification that includes an on-site factory audit runs two to four weeks, because it depends on factory access and travel. Shorter scopes finish faster but yield a lower-confidence result.
08 · Getting started
What to send to check a supplier
The desktop due diligence can start from very little — the supplier's registered name is enough to open the registry record, and the two-business-day clock starts there. The more of the following you send, the higher the confidence of the result.
Supplier name(s) and registration
One named supplier or a three-to-five shortlist. The registered Chinese name or the 18-character Unified Social Credit Code from the business licence gives the cleanest registry match; a company name, licence number or website is enough to start.
Equipment list, BOQ or DQE
What the supplier would be making, even as a draft — it scopes what 'qualified' has to mean.
Any quotation received
The supplier's offer (devis fournisseur), so its claims can be read against the file rather than taken on trust.
Certifications the project requires
ISO, CE or product certificates the equipment must hold — and any the supplier has already cited.
Project context
Destination market, timeline, and who needs the qualification record — an engineer, a bank or a downstream partner.
Partial information is fine. Send what you have; Sinospect confirms what is usable, what is missing and what it changes before any commitment.
Have a supplier to check before you pay a deposit?
Send the supplier's name — the registered Chinese name or Unified Social Credit Code if you have it — with the equipment list and any quotation received. Sinospect returns the desktop due-diligence record two business days after it holds the registered name or code, and says up front whether the file warrants an on-site factory audit.