Colour and finish mismatches
Batches of stain, lacquer or fabric dye can vary slightly between production runs, especially on larger orders split across several weeks. A mid-line inspection catches this before an entire order ships with visibly inconsistent finishes.
Joint and frame stability issues
Loose joints, insufficient glue coverage, or under-tightened hardware often aren't visible from the outside and only show up under load — exactly the kind of fault a physical stability check during inspection is designed to catch.
Packing and carton damage risk
Undersized cartons, missing corner protection, or insufficient padding around finished surfaces are a leading cause of transit damage — issues that are cheap to fix before loading and expensive to deal with after a container has crossed the ocean.
Quantity and packing list mismatches
Short shipments and mismatched carton counts are more common than most buyers expect, and are only reliably caught by a physical count against the packing list at pre-shipment inspection, not by trusting the factory's own paperwork.
Defects that only appear after delivery
Inspection catches what is wrong at loading, but some faults are latent and surface weeks later at destination. Timber that went into production at the wrong moisture content warps once it equilibrates to a tropical climate. Veneer lifts where a substrate was not properly sealed. Adhesives that performed in a Foshan winter can behave differently after a container has been through equatorial heat and humidity.
These are difficult to fix retrospectively, so they are best addressed by specification rather than inspection: a stated moisture content, a declared substrate and adhesive, and packaging that keeps humidity out during transit — including desiccant where a shipment crosses climate zones.
How defects are graded, and why it matters
An inspection that reports "some issues" gives you nothing to act on. Standard practice is to grade findings into critical, major and minor — a structural failure or a safety issue is critical, a visible finish flaw on a primary surface is major, a scuff on an internal panel is minor — and to judge the batch against an agreed acceptance limit rather than expecting perfection.
Sampling is normally done on a recognised standard such as AQL, which sets how many units are inspected and how many faults are tolerated. Agreeing the standard before production starts is what makes an inspection result objective, rather than an argument about how much is too much.
What to do when defects are found
The decision framework matters more before loading than after. Where a full batch falls outside the accepted limit, holding the shipment and returning it to the factory for rework or replacement at their cost is normally the right answer — difficult to say, but far cheaper than resolving the same problem once goods are in your warehouse.
Where findings are minor and isolated, a price adjustment against the affected units is often the pragmatic outcome for both sides. What should never happen is a shipment leaving with a known critical defect and the resolution deferred to a conversation after arrival.
Finish and colour mismatch: the most common failure
Stain, lacquer and fabric-dye variation between the approved sample and bulk production tops our failure list — usually a mid-line catch, rarely fixable after packing. We check colour and finish against the retained sample at 20–30% completion, when rework is still cheap. See materials for export for why some finishes drift more than others.
Joint stability and hardware: the structural catches
Loose joints, misaligned frames, missing or substituted hardware, and foam-density swaps in upholstery are the defects that become warranty claims. Pre-production material checks (wood, fabric, foam density, hardware against spec) plus mid-line joint and seam checks exist specifically for these. Full method in our QC process and how agents handle QC.
Packing and quantity: what fails at pre-shipment
Short counts, mixed cartons, missing ISPM 15 marks on wood packaging, and cartons that fail the drop test are pre-shipment findings — caught by full carton count against the packing list and sample drop testing before anything loads. Packing guidance in container loading tips. Sampling follows AQL levels scaled to order size: bigger orders get bigger samples, never a single fixed sample for every shipment. If anything fails, the shipment holds and the factory reworks at its cost — see vetting checklist for preventing repeats.