Pre-shipment inspection in China: how it works and what it costs
Author: John, Supplier verification and quality control, ShenzhenPublished: Updated:
Short answer: a standard all-inclusive pre-shipment inspection costs around $300 per man-day, with the market spread running from $150 to $350. Budget providers advertise $150-199. SGS charges $300-600 per man-day with a minimum fee around $350, and Bureau Veritas is comparable. Our rate in Guangdong is $350 per man-day.
One man-day means one inspector for one working day at one factory. Large or complex lots take more than one.
What happens in those eight hours
A pre-shipment inspection is not a walk around the plant. A competent one follows a fixed sequence:
- Quantity. Count the finished, packed cartons against the order. This alone catches short shipments that would otherwise surface at your warehouse.
- Random sampling. Cartons are pulled at random from the packed lot according to an agreed AQL plan, not chosen by the factory.
- Workmanship. Units are opened and checked against your specification and your approved sample, and defects are classified as critical, major or minor.
- Function tests. Whatever applies: power on, drop, tension, dimensions, weight.
- Packaging and labelling. Barcodes, country of origin, carton markings, drop test on the export carton. This is where Amazon shipments die most often.
- Photographs. Everything above, documented.
- A pass or fail against the agreed AQL, with the numbers that produced it.
The report should let a stranger reconstruct the decision. If it is a gallery of photos with no sampling plan and no verdict, you paid for a visit rather than an inspection.
What the market charges
| Provider type | Per man-day | Notes |
|---|---|---|
| Budget inspection services | $150-199 | often no minimum, quality varies with the individual |
| Standard independent services | $250-350 | the bulk of the market |
| DuoEast, Guangdong | $350 | our own inspector, travel outside Guangdong at cost |
| SGS | $300-600 | minimum fee around $350, roughly 0.56% of FOB value |
| Bureau Veritas, Intertek | comparable to SGS | rates negotiated at account level, not published |
The honest reading of that table: the difference between $199 and $350 is not the checklist, it is who is holding the clipboard and whether they will still be reachable next month.
Timing is worth more than the rate
The single most expensive mistake in this whole process is booking the inspection after the balance has been paid.
An inspection report is leverage. While you still owe money, a failed report gives you three real options: rework and re-inspect, accept with a negotiated discount, or refuse the lot. Once the balance is wired, all three collapse into one: ask nicely.
Practical sequence that works:
- Agree in the purchase order that the balance is payable after a passed inspection. Put it in writing at order stage, not at shipment stage.
- Book the inspector when the factory reports 70-80% completion.
- Inspect at 80-100% production and at least 80% packed.
- Release the balance against the report.
Factories that have worked with serious buyers expect this. Resistance to the clause at order stage tells you something useful and costs nothing to discover.
Where inspections still miss
Sampling is statistics, not omniscience. An AQL plan is designed to catch a defect rate above an agreed threshold, and it will let a small number of bad units through by design. That is the trade-off you are buying: certainty would mean opening every carton.
Two other limits. An inspector checks against your specification, so a vague specification produces a useless report. And an inspection at the end of production cannot fix a design that was wrong from the start, which is what the factory audit earlier in the process is for.
When one inspection is not enough
- First order with a new factory: inspect, without exception.
- High-value or fragile goods: consider during-production inspection as well, so problems surface while they are still fixable.
- Repeat orders, stable supplier, no changes: you can inspect every second or third lot, but tell the factory it is random rather than scheduled.
- Anything going straight into Amazon FBA: inspect, because a rejected inbound shipment costs more than the inspection by an order of magnitude.
How we work
The inspector is ours, based in Guangdong, and the same person tends to return to the same factories, which means the second visit starts from what was wrong on the first. The report ends with a pass or fail and a recommendation, not a folder of photographs.
Send us the order details, the factory address and your specification, and we will tell you how many man-days the lot needs and when to book it so that the report still has teeth.
Questions
When exactly should the inspection happen?
When production is 80 to 100 percent complete and at least 80 percent of the goods are packed, but before you release the balance payment. Too early and there is nothing to inspect, too late and you have already paid and lost your leverage.
What is AQL and do I need to care?
AQL is the sampling standard that decides how many units get opened and how many defects are allowed before the lot fails. You care because it is the difference between a meaningful check and a photo session. Agree the AQL levels and the defect classification with the inspector and with the factory before the inspection, not after.
The factory says they do their own QC. Is that enough?
Their QC works for them. It is not a conspiracy, it is an incentive: the person being measured cannot be the person doing the measuring. Factory QC catches genuine production problems and misses the ones that would delay a shipment.
What happens if the inspection fails?
You have three options and all of them are better than the alternative: rework and re-inspect, accept with a discount, or refuse the lot. All three depend on the balance being unpaid. That is why booking early matters more than saving fifty dollars on the rate.