Most buyers who search for an inspection service already have a factory, a price, and a ship date. What they don't have is proof that the boxes on the pallet match the sample they approved six weeks ago. That gap is what pre-shipment inspection closes — and it's also where buyers waste money, because they book the wrong type of check or hire someone who sends back a photo album instead of a report they can act on.
What inspection before shipping actually covers
Pre-shipment inspection (PSI) is the default. It's also the last checkpoint on a longer line, and knowing where each check sits tells you which ones are worth paying for on your order.
| Check | Timing | What it catches |
|---|---|---|
| Supplier / factory audit | Before you place the order | Whether the factory is really a factory, real capacity, licenses, equipment, who else they produce for |
| Initial production check (IPC) | First 10–20% produced | Wrong raw material, wrong components, early printing or molding faults |
| During production check (DUPRO) | Around 30–50% produced | Defects while there is still time and material left to fix them |
| Pre-shipment inspection (PSI) | Production finished, goods packed | Final quality against your spec, quantity, packaging, labels, barcodes, carton condition |
| Container loading supervision | Loading day | How many cartons actually go in, carton damage, seal number, mixed SKUs |
| Lab testing | Anytime | Material composition, safety rules, food contact, flammability, restricted substances |
For a first order with a new supplier, the useful combination is usually a supplier audit plus a PSI. Add a DUPRO if the product has printing, molded parts, electronics, or a tight deadline. Skip the audit only when you have already bought from that supplier and know their address is real.
Third-party inspector, factory QC, or your agent's QC?
A factory's own quality team reports to the factory. That isn't a scandal — it's just how employment works, and it means their pass carries little weight when you're arguing about a defect claim.
| Option | Strengths | Weak points |
|---|---|---|
| Big international firms (SGS, BV, Intertek, TÜV) | Reports recognised by factories, banks and customs; broad lab network | Higher price, less flexibility, inspections often assigned to local subcontractors anyway |
| Independent local agencies | Cheaper, faster booking, often the same freelance inspectors | Quality varies widely; check who signs the report |
| Freelance inspectors | Lowest cost for small orders | No backup if they're sick or unreliable; little recourse |
| Your sourcing agent's QC | Understands your spec and your history with the supplier | Only works if the agent is genuinely independent of the factory |
The single most important question: who is the inspector accountable to? If the answer involves the factory paying them, walk away.
What you should expect to pay
Rough market rates in China for a standard PSI are $100–$350 per man-day, plus travel if the factory is far from the inspector's city. One man-day usually covers up to several thousand units of a simple product; complex items with many functions take longer. Expect the report within 24–48 hours.
Watch for these line items in any quote:
- Travel fee, and whether it is capped
- Re-inspection fee if the first one fails
- Sampling or lab test fees, which are separate from the inspection
- Report language — English should be standard, not an extra
- Overtime, if production runs late and the inspector has to wait
A quote far below market, say $50 a day, is not a bargain. It usually buys a man who photographs cartons for two hours and writes 'quality good.'
Set your AQL before you book
AQL stands for acceptable quality limit, and it decides pass or fail. Most providers default to level II with 0 critical / 2.5 major / 4.0 minor. That default is fine for promotional items and rough for anything a customer will hold for years.
Practical settings:
- Children's products, electronics, anything with a safety claim: 0 critical, 1.5 major, 2.5 minor
- Mid-range consumer goods: 0 critical, 2.5 major, 4.0 minor
- Low-cost giveaways where small cosmetic flaws are tolerable: 0 critical, 4.0 major, 6.5 minor
Write the AQL and the sample size into the purchase order, and make sure the inspector knows it before the visit. An inspector who defaults to 4.0 minor when you expected 1.5 will pass a shipment you would reject.
What a report you can use contains
Ask for a sample report before you pay. A serious one includes:
- PO number, SKU, factory name and full address, inspection date
- Quantity produced, packed, and available for sampling
- The sampling plan and AQL levels applied
- A defect log with counts, photos, and critical / major / minor classification
- Carton measurements and weight, shipping marks, drop test
- Barcode scans, label check, packaging and accessory check
- On-site functional tests and their results
- A clear verdict: pass, fail, or pass with conditions
- The raw file, not only a summary PDF
That last point matters more than people expect. When you're negotiating a discount three weeks later, a photo with a timestamp and a defect count is the difference between a credit note and a polite email.
Red flags when choosing a provider
- No sample report available on request
- Inspector is recommended by the factory, or the factory knows the inspection date before you do
- Reports with no defect counts, only prose
- They also offer to negotiate with the supplier on your behalf — now they have two jobs and one of them is yours
- Refusal to sign a simple NDA
- No named inspector, no photos, no timestamps
- A price that makes the visit impossible to run properly
Remote and video inspection: useful, not equal
A live video walkthrough works for repeat orders, spare parts, and quick checks on a supplier you already trust. It does not replace a physical inspection, because the camera never shows the cartons at the bottom of the stack, the weight, the drop test result, or the parts the factory quietly moved off the table. Use video to follow up, not to sign off.
Where inspection sits in the whole chain
Supplier verification → sealed golden sample → PO with specs and AQL → IPC or DUPRO → PSI → container loading → freight → customs.
The sealed golden sample is the most valuable item in that chain and the one buyers skip most often. Without a signed sample, the inspector is comparing your goods to their own judgement, and the factory will argue about it.
Work backwards when booking
- 5–7 days ahead: book the inspection, confirm AQL, send the PO, spec sheet and sample photos
- 2–3 days ahead: confirm the factory address and get written confirmation that goods will be 100% packed
- Inspection day: usually one man-day
- 24–48 hours later: report in your inbox
- Then: balance payment, vessel booking, loading
The most common wasted trip is simple: goods were 90% packed, so the inspector sampled what was ready and the rest was never checked. Confirm packing in writing.
If the inspection fails
Do not release the balance payment. Ask the factory for a written rework plan with a date. Your realistic options are full rework and re-inspection, shipment of the good units with a price reduction, or cancellation under the terms of your contract. Two re-inspections is usually the point where you stop paying for trips and start talking about money.
Quick checklist before you book
- Sample report reviewed
- AQL and sample size written into the PO
- Inspector's independence confirmed
- Golden sample sealed and photographed
- Factory address verified, not just a WeChat location pin
- Report language and deadline agreed
- Re-inspection fee known in advance
Nothing on that list is complicated. Most problems come from skipping one of them because the ship date is close.
If you would rather not coordinate inspectors, factories, and freight forwarders across a language barrier, Globesino handles supplier checks, inspections, and delivery from China as one job, with English reports you can act on. We will also tell you when an inspection is not worth the money.