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During Production (DPI)

CGF Inspection During Production Inspection for Medical Masks & Medical Products

CGF Inspection During Production Inspection for Medical Masks & Medical Products
Service Overview

Are you manufacturing or sourcing medical masks, KN95 respirators and protective face masks from China? CGF INSPECTION provides reliable During Production Inspection (DPI) to monitor product quality at 20%-80% production completion, so you can catch and fix defects before final shipment.

CGF During Production Inspection (DPI) for Medical Masks & KN95 Respirators

Are you importing N95 face masks, disposable protective respirators from China? CGF INSPECTION provides reliable pre-shipment inspection (PSI) and Final Random Inspection (FRI) to reduce defective goods, avoid customs issues and prevent buyer complaints.

Full Inspection Items for N95 Mask Quality Control

1. Quantity & Visual Appearance Inspection

Count finished N95 masks against order quantity; Check surface stains, broken fabric, hole defects, uneven layers, poor ultrasonic sealing, loose edges. Inspect nose bridge strip straightness, head strap welding condition.

2. Dimensional & Structure Verification

Measure mask overall size, nose clip length, strap length; Confirm 3D folding shape matches approved sample; Check inner layer, melt-blown fabric layer count as technical requirement.

3. Core Functional Performance Check (Critical Items)

  • Particle Filtration Efficiency (PFE) spot check
  • Breathing resistance test (inspiration & expiration resistance)
  • Face fitting & leakage prevention inspection
  • Head strap tensile strength test to avoid snapping during wearing

4. Marking, Printing & Compliance Audit

Inspect mask printing: model name, standard code, manufacturer info, usage instruction; Verify batch number, production date, expiry date on inner bag. Check CE/FDA related marking according to target market regulations.

5. Individual Pack & Export Carton Inspection

Check each mask individual bag sealing integrity; Verify suffocation warning labels for plastic packaging; Inspect carton compression resistance, moisture protection, shipping marks consistency.

6. AQL Sampling Execution

Inspection follows international AQL sampling standard as buyer’s request. We take photos for all non-conformities and issue a detailed bilingual English inspection report after on-site QC work.

Professional N95 mask pre-shipment quality control helps you filter unqualified products before cargo leaves Chinese factory. Reduce return risk with CGF Inspection.

What We Check

  • Early defect detection at 10–50% production output
  • Production-line and process-stability review
  • Workmanship, materials and key components in process
  • Inline functional checks on finished sub-lots
  • Corrective-action advice before mass output

When To Book This Service

  • Production has reached 10–50% completion
  • You need to correct issues before they scale
  • For complex products or a first-time supplier

How CGF Conducts It

  • We set checkpoints with your factory schedule
  • Inspector visits during active production
  • Samples are drawn from the live line for checks
  • Real-time feedback is shared with you and the factory
  • A progress report follows within 24 hours

Why It Matters

  • Fix root causes early — avoid costly rework later
  • Reduce the defect rate across the whole order
  • Keep the shipment on schedule
  • Document process control for your records

Industries We Cover

Electrical & ElectronicsHome & BuildingToys & GiftsFurniture & FurnishingsGarments & TextilesFootwearAutomotiveOil & Gas Equipment

Where We Operate

Zhejiang, Jiangsu, Shanghai, Guangdong (Dongguan / Shenzhen / Foshan / Shunde), Qingdao, Sichuan, Chongqing and across China.

We apply internationally recognised standards for every assignment.
StandardWhat it covers
AQL (Acceptance Quality Limit)Defines the maximum number of defective units acceptable in a random sample — the basis of our sampling plans.
ANSI/ASQ Z1.4U.S. standard for sampling by attributes (single, double and multiple sampling).
ISO 2859-1International general standard for sampling by attributes, equivalent to ANSI/ASQ Z1.4.
ISO 9001Quality management system baseline referenced in our factory audits.
IEC / EN / ASTMProduct-specific safety & performance references applied per your specification.

Every CGF assignment includes

  • An independent, on-site inspector working for you — never the factory
  • Internationally recognised AQL sampling (ANSI/ASQ Z1.4 · ISO 2859-1)
  • On-site photos embedded in every report
  • A detailed, bilingual English inspection report within 24 hours of the visit
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