BACKPACK SUPPLIER EVIDENCE CHECKLIST
YUEHU Buying Guides | 10 September 2026

A buyer's working record, not a certification, audit result or test method.
Use: verified / clarification needed / unresolved. Attach evidence and dates.

Project / buyer:
Supplier legal name / quotation reference:
Backpack reference / intended use / intended market:
Specification revision / sample reference:

For each check record: status; evidence or document link; gap; owner; due date.

1. IDENTITY AND RESPONSIBILITY
Business identity, production address, quoting/producing relationship,
in-house and subcontracted steps, person responsible for each step.
Status / evidence / gap / owner / due date:

2. RELEVANT WORK
Comparable samples, construction details, differences from our intended bag,
what was reviewed and what remains untested.
Status / evidence / gap / owner / due date:

3. MATERIALS AND COMPONENTS
Outer fabric, lining, reinforcement, padding, webbing, hardware and branding;
colour references, approved alternatives, evidence for performance claims.
Status / evidence / gap / owner / due date:

4. SAMPLE AND ACCEPTANCE CRITERIA
Sample ID/revision, dimensions/measurement method/tolerances, artwork,
appearance criteria, functional evaluation method and responsible specialist.
Status / evidence / gap / owner / due date:

5. INSPECTION PLAN
Incoming/in-process/pre-shipment scope; responsible party; reporting dates;
if sampling: lot, selection method, sample size, defect categories and criteria.
Certificates/reports: entity, site, scope, issuer, validity and relevance.
Status / evidence / gap / owner / due date:

6. CHANGE CONTROL
Who requests/approves a substitution, revised specification and costs/timing,
need for another sample or test, written approval before implementation.
Status / evidence / gap / owner / due date:

7. SHIPMENT RELEASE
Quantities/packing/inspection records linked to PO and approved revision;
failed-check handling, correction/reinspection and release responsibility.
Status / evidence / gap / owner / due date:

Decision: proceed to next stage / request clarification / hold
Essential unresolved requirements:
Decision owner / date / next review:

Guide:
https://yuehubags.com/article/7-secrets-that-showcase-the-quality-of-chinese-backpack-manufacturers
Questions:
https://yuehubags.com/contact?cta=article_supplier_quality