Ningbo SunPu Electronics Co., Ltd.
Structured cabling manufacturer since 2010jack@cat6-cable.com

Quality control

Product Quality Control and Verification

Testing, samples, and available compliance documents are reviewed against the exact product model and customer requirement.

01

Product-specific

Certificates and reports are mapped to the exact product and construction, not used as a blanket marketing badge.

02

Sample-first

Where the project requires it, physical samples establish the practical reference before volume production.

03

Requirement-led

Testing and documentation are reviewed against the destination market, buyer requirement, and application.

Verification flow

Four gates before volume supply.

01

Requirement

Target category, construction, standard, and application.

02

Reference

Approved specification, color, label, and packaging record.

03

Sample

Physical and available performance evidence reviewed.

04

Production

Finished goods checked against the approved requirement.

Control plan

Six review points tied to the approved requirement.

The exact inspection method, sampling level, limit, equipment, and retained record depend on the quoted product and customer requirement.

01

Incoming identity

Check the material or component identity, supplier or batch reference, dimensions, appearance, and the requirement that applies before use.

02

Construction setup

Confirm conductor or fiber construction, shielding, connector, termination, cable length, tooling, print, and process settings against the approved record.

03

In-process checks

Use defined checkpoints for assembly, wiring or polarity, dimensions, workmanship, continuity, and other model-specific characteristics.

04

Performance review

Apply the agreed electrical, optical, mechanical, or dimensional method and record the result using the required model and test basis.

05

Identity and pack

Verify product model, labels, cable print, barcode, quantity, bag, carton, accessories, documents, and shipping marks.

06

Release record

Close deviations, identify approved concessions, link inspection records to the batch, and record the person and date responsible for release.

Evidence package

Separate product evidence from production records.

A certificate, declaration, third-party report, factory test result, inspection record, and shipment document answer different questions. The requested pack should identify which exact model and order each document supports.

Read the model-specific evidence guide →
Product definition
Approved specification, drawing, model, revision, materials, dimensions, artwork, and packaging record.
Compliance evidence
Available certificate, declaration, or report mapped to the exact construction and intended market.
Production evidence
Incoming, in-process, performance, final-inspection, nonconformance, and release records as agreed.
Shipment handover
Packing list, labels, batch or serial linkage, inspection summary, and requested shipping documents.

Document map

Four evidence types. Four different questions.

Ask what a file actually proves before treating a logo, report, or record as product approval. The exact document availability is confirmed by model.

Evidence typeWhat it answersWhat must matchWhen to request it
Product compliance evidence

Does this exact product construction fall within the stated document scope?

Model, construction, standard, issuing body, manufacturing site, revision, scope, and validity

Before a claim, submittal, sample approval, or purchase decision that depends on it

Production inspection records

Was this order or batch checked against the approved requirement?

Purchase order, product model, batch, inspection stage, method, result, date, and release decision

Agree the required record before production; review it before shipment when requested

Shipment handover documents

Can the packed goods and released documents be linked to the order?

Model, quantity, carton identity, packing list, batch or serial reference, and requested release documents

Define at order review and close before shipment release

Factory or management records

What process or management control is in place at the organization?

Organization, site, process scope, audit or record period, owner, and applicable system

During supplier qualification or when the buyer’s quality plan requires it

Document request path

Request evidence with enough context to review it.

“Please send all certificates” produces an ambiguous file pack. A model, destination, purpose, and transaction reference make the review usable.

  1. 01

    Name the exact model

    Use the quoted model, construction, options, and revision—not only a category name such as Cat6A or OM4.

  2. 02

    State the destination and standard

    Identify the market, project specification, standard edition, customer rule, or submission requirement that the evidence must support.

  3. 03

    Explain the document’s purpose

    Say whether it is for supplier qualification, quotation review, sample approval, project submittal, incoming inspection, or shipment release.

  4. 04

    Review scope and validity

    Check the model or construction covered, manufacturing site, issuer, report date, standard edition, validity, exclusions, and permitted claims.

  5. 05

    Link evidence to the transaction

    Record which document supports the sample, order, batch, inspection stage, or shipment and keep the approved revision visible.

Change control

An approved sample does not authorize an unrecorded change.

Changes to material, construction, dimensions, supplier, process, artwork, packaging, test method, or required evidence should be identified before production. The buyer and SUNPU can then decide whether a new sample, test, document, or written approval is needed.

Buyer questions

Keep the evidence boundary visible.

01

Does a CE, UL, RoHS, or REACH logo prove that every SUNPU model is covered?

No. A logo or company-level reference is not enough to establish model coverage. The buyer should review the current underlying certificate, declaration, or report for the exact construction, manufacturing site, standard, scope, and intended claim.

02

What is the difference between a test report and a batch inspection record?

A product test report addresses defined samples and test methods within its stated scope. A batch inspection record shows checks performed for a particular order or production batch against the approved requirement. One does not automatically replace the other.

03

When should quality and compliance documents be requested?

Request critical model-level evidence before relying on a claim or approving the product. Define order-specific inspection and handover records before production, then review the agreed release pack before shipment.

04

What happens when exact document coverage is not available?

The gap should remain visible. SUNPU and the buyer can review an alternative documented model, a revised claim, an additional sample or test plan, or a project-specific approval route before the product is accepted.

Published compliance references

RoHS and REACH are referenced in SUNPU's public company materials.

SUNPU's existing certificate page also publishes UL and CE materials. Buyers should request the current document set for the exact product under review before using it in a submission.