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Same factory is not the same product. Check the spec.

· 7 min read

A scalloped seal medallion with ribbon tails

Treat it as unverifiable and buy on what the listing can actually show you. Nothing on a product page proves where an item was made, the brand being compared to does not publish the answer, and the claim costs the seller nothing to type.

One exception, so you have it now. Anything with a radio in it carries an FCC ID, and two products sharing that ID are the same certified hardware, which you can look up in a minute. For a handbag there is no equivalent, and there never was.

Two claims wearing one sentence

“Made in the same factory” gets used for two very different things.

The price you are being asked to pay is priced against the strong version. The evidence offered, when any is offered, supports the weak one. That gap is the whole trade.

Why a listing cannot prove it

Start with what would have to exist for the claim to be checkable: a published list of who makes what for whom. Mostly it does not. Fashion Revolution's 2023 Fashion Transparency Index found 129 of 250 major brands, 52 percent, publishing a first-tier supplier list. A subcontracting claim lives underneath that tier, in the workshop the first-tier supplier hired.

The label does not settle it either. Under Article 60(2) of the EU Union Customs Code, a product touched by more than one country takes the origin of the place where it underwent its last substantial, economically justified processing. That is a statement about the final stage, not a map of the chain. It cuts in both directions: it does not prove a brand made everything where the label says, and it does not support the seller's story either.

Which leaves the evidence people actually post. A video of a cutting table. A roll of leather. A worker sewing something that looks like the thing. All of it proves a factory exists, which was never in dispute. When Chinese manufacturers went viral naming Hermès, nothing came with it: no contracts, no invoices, no shipping records. Hermès says Birkin and Kelly bags are made in its own French workshops. Both sides had a claim. Only one of them was ever going to be checkable, and neither side made it so.

Same building, different order

Here is the part that actually decides the question, and it is duller than the conspiracy. A contract factory does not have a product. It has customers.

Under an OEM arrangement, the buyer brings the design, the material specification, the tolerances and the quality plan, and the factory builds to that order. Under an ODM arrangement, the factory owns a base design and sells it to several buyers who change the branding and a few features. Two orders can run on one line and differ in the cell inside the battery, the grade of the steel, the weight of the fabric, and how many units get pulled off for inspection.

So a shared address is not a shared product. The specification is the product, and the specification belongs to whoever placed the order. We took the ordinary marketplace version of this apart in the post on identical listings under different brand names, where a dozen sellers really are buying one object and the only differences left are the return window and who answers an email. That is the case where “same factory” is true and also boring. It is not the case being sold to you next to a luxury reference price.

The court case that cuts both ways

In June 2024, a Milan court placed an Italian Dior manufacturing unit under judicial administration for a year after investigators examined its subcontractors, and the filings reported supplier prices as low as 53 euros for handbags that retail in the thousands.

People quote that case as proof of the factory story. Read it again. It shows that subcontracting is real, that the chain is longer than the brand describes, and that the gap between production cost and retail price is enormous. It also shows the opposite of what the seller wants it to: the subcontractor was making that bag because Dior specified that bag. The order is what made it a Dior. The same bench taking an order from somebody else is filling a different order.

The limit, said plainly: the case tells you something true about the industry and nothing at all about the listing in front of you.

Where the evidence is genuinely public

Anything with Bluetooth, Wi-Fi or any other radio sold in the United States has to carry an FCC ID. It is printed on the item, the adapter, or in a regulatory screen buried in settings. The first block of that ID is the grantee code, which the FCC assigns permanently to one company: three characters if it begins with a letter, five if it begins with a digit.

Search the ID at fcc.gov and the grant record comes back with internal and external photographs of the unit that was tested, plus the lab's report. Two products carrying the same FCC ID are the same certified hardware. That is not an origin story. That is a filing.

It works. It also only covers things with a radio in them, and it proves the unit that was submitted rather than the unit in the box you get. A seller can certify one build and ship a cheaper cell afterwards. Useful, not absolute.

Partly checkable, and not checkable at all

Judge the item, not the origin story

Once you stop trying to resolve the claim, the decision gets easier, because everything left is written on the page.

And separately from all of it: whether a cheaper version is worth buying is not the same question as whether it came from the same bench. We argued that one properly in a dupe copies what a camera can see, which is the better frame for anything where wear, not looks, decides the outcome.

Where we fit, and where we do not

Stealsy does the finding part. Share a clip from TikTok or Instagram and it reads the footage, the audio, the on-screen text, the caption and the comments, pulls out the products, prices them, and opens every shop link on our servers to check it resolves before it reaches you. Where a cheaper version of the same look exists, it shows that beside the original.

The limit, out loud: we do not audit factories and we cannot verify a supply chain. Nobody selling you an app can. What we take off you is the part before that decision, which is the half hour of working out what the thing in the video was and what it honestly costs. The judging is still yours, and this post is the frame we would use.

It is iPhone only, iOS 18 or later, and free to try.

Get Stealsy for iPhone — share a video, get the products, prices and verified links.

Common questions

Is the cheaper version really made in the same factory as the original?
Usually there is no way to tell, and the claim costs the seller nothing to make. Brands do not publish the subcontractors below their first tier of suppliers, so there is no list to check a claim against. Fashion Revolution's 2023 Fashion Transparency Index found that 129 of 250 major brands, about 52 percent, published even a first-tier supplier list, and a claim like this would live a layer below that. A country-of-origin label does not settle it either: under Article 60(2) of the EU Union Customs Code, a product made in several countries takes the origin of the place where it underwent its last substantial, economically justified processing, so the label describes the final stage rather than the whole chain. Photographs of a factory floor prove that a factory floor exists. Treat the claim as unverifiable and buy on evidence that is written on the listing instead.
Can you ever verify that two products came from the same factory?
For anything containing a radio, yes, and it takes about a minute. Any device with Bluetooth or Wi-Fi sold in the United States carries an FCC ID, printed on the item or in its settings screen. The first part of that ID is the grantee code, which the FCC assigns permanently to one company: three characters if it starts with a letter, five if it starts with a digit. Search the ID at fcc.gov and the grant record returns internal and external photographs of the tested unit and the lab's test report. Two products sharing an FCC ID are the same certified hardware. What it proves is the unit that was submitted for testing, not the battery cell or the plastics in the batch you are being sold, and it covers only products with a radio in them. For a handbag, a jumper or a lipstick there is no equivalent, because nothing on the item names its maker.
Does the same factory mean the same quality?
No, because a factory does not have a product, it has customers. Under an OEM arrangement the buyer brings the design, the material specification, the tolerances and the quality plan, and the factory builds to that order. Under an ODM arrangement the factory owns a base design and sells it to several buyers who change the branding and a few features. Either way, two orders running on one line can differ in the grade of steel, the cell in the battery, the weight of the fabric and how many units get inspected, and still leave the same building on the same day. Shared address, different order. The specification is the product, which is why the numbers in a listing tell you more than the origin story does.
Do luxury brands manufacture in China?
Parts of the supply chain, often. Whole flagship products, much less often than viral videos suggest. The honest picture is that luxury supply chains are long, subcontracted and poorly disclosed, which a Milan court demonstrated in June 2024 when it placed an Italian Dior manufacturing unit under judicial administration for a year after an investigation into its subcontractors, with filings reporting supplier prices as low as 53 euros for handbags retailing in the thousands. That is a real finding about markup and oversight. It is not evidence that a given seller shares a supplier with a given brand. Hermès says its Birkin and Kelly bags are made in its own French workshops, and the factory videos naming it produced no contracts, invoices or shipping records to show otherwise.