China Pre-Shipment Inspection Services – Quality Control & Compliance Audit

China pre-shipment inspection services conduct quality control, quantity verification, and compliance audits before export. They reduce risk, prevent defects, and ensure supplier adherence to buyer specifications.

AQL is an international guideline/standard for quality inspection on sampling, and on denifition of the defect limits. Final QC checks can either be OQC inspections or Final Random Inspection, for the third party inspections, they mostly are mostly referred to FRI inspections, besides that, the 3rd party inspections can have:

During Production Inspection
Factory Audit and Social Audit
Initial Production Inspection
FRI Inspection
Preshipment inspection
Production Monitoring
CLC (CLS) Inspection
Random Product Sampling

OQC inhouse may only check the products only, but third party inspections will also check:

Measurements & sizes check
Aesthetic, visual defects, workmanship, surface and function inspection
Quantity & assortment verifying
Packaging, safety and drop tests onsite
Labels, markings, logos & barcodes quality check
Product specs, and special requirements check
On-site safety, regulation & function testing

An exmaple of a Final QC checks checklist for Shipping marks and packing info:

B. SHIPPING MARK AND PACKAGING
B1.Shipping Marks and Packaging		Result
- Was the condition of master/inner carton good?		OK
- Was the content/ printing of shipping marks right?		Not OK
- Was the special customer requirements correct?		OK
- Was the wordings/graphic correct?		OK
- No ply-wood is to be used in the construction of shipping cartons or pallets.		N/A
- All openings of transport cartons should be sealed - “H” type of seal to be used in all cases.		OK
- Do the cartons’ layers conform to the client's spec.		OK
- Products are perfectly fitted in the carton:(no over-packed, no gap, no crash are allowed)		OK
- Does the sealing method for cartons conform to the client's spec.		OK
- Carton UPC barcode label(Must be readable)		OK
- Use metal strap or plastic strap?	metal strap plastic strap no strap
- Sealing method	staples adhesive plastic band metal band
- What is the number of corrugated layers on carton? (1 corrugated layer=3ply);	Single Wall Corrugated(3 ply) Double Wall Corrugated(5 ply)