Buyers fear the same gap on every first order: the unit you approved gleams, and the container that lands months later feels like a stranger. A factory sample exists to shrink that gap before money moves — follow one unit down our Shenzhen line and you can see exactly what it settles, and where its evidence stops.
How we build one: the same line, gates and box as a bulk order
Every sample comes off the assembly line that runs volume production, not from a bench at the back of the workshop. It passes the same four quality gates we apply to shipments — incoming material inspection, in-process checks, then a final pre-shipment inspection with sampling before release. It also leaves in the packaging a bulk order would carry: printed colour box, manual and master carton sized to the SKU, so what you unbox is what your customer would unbox. Samples of the open-top self-cleaning litter box go out with both safety sensors enabled, because a stripped demo unit would tell you nothing about the product you are actually buying.
Three proofs the unit puts in your hands
- Build and materials. Seams on the housing, the sound of the motor under load, the weight in your hand — hand judgement is exactly what a sample is for.
- Full function. Run a feeder through a weigh-and-dispense cycle, open a fountain and watch the flow, pull a grooming vacuum across a carpet. Then pair the app on your own phone over your store's own Wi-Fi, both bands if the router offers two, because pairing failures hide on factory networks. Our cloud outage reliability guide covers what else to probe on the connected side.
- Print and packaging. Hold the colour box against your racking and shelf plan, check the manual language against your market, and measure the master carton before you plan a single pallet.
Blind spots no single unit can cover
A sample certifies itself and nothing else, and three blind spots follow from that. Line consistency: feeder number 999 leaving the line can drift away from unit one — screw torque, glue bead, cable tie tension — and no pre-production sample ever sees that drift. Batch colour: resin lots differ slightly from run to run, and the mismatch stays invisible until two cartons from different lots share a shelf. Motor life: a grooming vacuum may purr through a week of demonstrations and still fade on suction after a year in a busy home, a decline that only burn-in testing of production units will surface. And no factory can promise sell-through from any sample: whether Hungarian shoppers choose the $14.69 entry feeder or step up to the $69.99 camera model is a question about the market, not about quality.
What the sample costs and when the fee returns
Pricing is quoted per SKU and configuration. On catalogue models the fee is capped at $30, and that amount comes straight off the invoice for your first bulk order. Express shipping is paid by the buyer — typically 3-6 days into the EU or US — and no freight line is ever credited. One clause deserves more attention than buyers give it: make sure the proforma invoice carries the credit in print, because a promise living in a chat thread settles no argument later.
Gate one and gate two: the sample and the pilot lot
Run the sample as your quality gate, then a small commercial run as the volume gate. Once the sample passes and the specification freezes, send 50 to 100 units — one standard wholesale lot — into one or two stores. That lot is what actually reveals consistency across the run, how packaging survives transit (our grooming vacuum kit container retrospective logs one real load door to door) and how the shelf responds — all before tooling or pallet commitments. From there the ladder is fixed: an OEM run of 1,000 units takes 15-25 days, an ODM programme of 3,000 takes 30-45 including tooling, and feeder SKUs on the current line span $14.69 to $69.99 — our automatic feeder wholesale guide lists MOQ and lead times per model. Lock the specification at the first gate, and the volume decision at the second becomes arithmetic instead of hope.
| Gate | What you hold | What it proves | What it cannot prove |
|---|---|---|---|
| Sample | One unit, catalogue fee capped at $30 | Build, full function, print, app pairing | Line consistency, motor life, shelf response |
| Pilot | 50-100 units, one wholesale lot | Consistency across the run, transit survival, first sell-through | Multi-year wear in the field |
| Volume | OEM from 1,000 units (15-25 days) or ODM from 3,000 (30-45 incl. tooling) | The frozen specification at scale | Nothing — by design, that was settled earlier |
The check sheet we hand buyers at the sample stage
An inspection only counts if it leaves a record, so put these seven lines on one page and initial each:
- Appearance, judged against the approved colour swatch rather than memory.
- Function, run end to end: dispensing accuracy, water flow, suction pull.
- App pairing, completed on your own handset over your own network.
- One drop from a metre onto concrete, then the full function run again.
- Label compliance, checked against the exact SKU, because certificates attach to the model and not to the brand.
- Accessories, counted against the packing list item by item.
- Serial number logged next to the 12-month warranty card packed in the box.
Photograph the unit next to its colour box before it leaves your desk. The habit earns its keep: a 2024 sample batch of a dog grooming vacuum kit sailed through every visual check, then cracked on the concrete drop — despite what the specification sheet promised. Paper settles disputes; silence turns a warranty claim into a contest of opinions.
How a perfectly good sample gets wasted
Three habits account for most of it. Approving from photographs: one buyer signed off a unit on pictures alone, and the manual inside turned out to be in the wrong language — the carton had photographed beautifully. Skipping the record: without a signed check sheet, a later disagreement has nothing to stand on. Anchoring bulk negotiations to the sample price: a sample is priced on hand assembly, not on line economics, so take your volume negotiation to the 1,000-unit OEM quote — the small-order tiered pricing guide explains where that number comes from.
Sample questions our export desk answers every week
How fast can a sample reach my door?
Stock pieces leave within days since the moulds are already cut. An OEM configuration follows the normal 15-25 day production window; an ODM sample may require a second round after tooling changes, still inside the 30-45 day programme. Add 3-6 days of express transit, which the buyer covers.
Does the sample fee come back to me?
Catalogue models qualify: the fee is capped at $30 and comes off your first bulk order in full. Check whether the credit runs per SKU or across the order, and make sure the proforma invoice carries the clause. Express freight never returns.
What size trial lot should follow an approved sample?
Begin at 50-100 units — the standard wholesale opening — which is enough to read early sell-through across a door or two. Carton arithmetic then decides the footprint: litter boxes pack fewer cartons per pallet than grooming vacuum kits, so an identical 50-unit order can occupy one pallet or three. The container loading and CBM guide walks through that sum.
Which paperwork should arrive with the unit?
Look at three places: housing, label, colour box. CE covers the EU, FCC the US, RoHS the materials — each verified per SKU rather than assumed per brand, with certificate copies folded into the sample paperwork. For EU destinations, our GPSR compliance checklist lists the file set market-surveillance checks tend to request.
When the specification is frozen, send us your target quantity, destination market and logo requirements — the export desk replies with the spec sheet and current pricing, and a sample of the camera feeder, the 7-in-1 grooming vacuum kit or the self-cleaning litter box if you name one.