01
Design and 3D
CAD modelling from sketch, reference or tech pack, adjusted for mould, finish and production repeatability.
OEM / ODM
Custom Jewellery OEM/ODM Production
Turn a sketch, reference link or tech pack into a reviewed sample route, packaging plan and bulk quote. Stainless steel and 316 options are confirmed for the named brief.
(02) The production route
We do not resell a vague contact. We quote a buildable route.
Jewena places production with partner factories in the Guangdong jewellery clusters around Dongguan and Foshan, and brings in specialist factories where a technique or finish needs one. Boutiques and independent brands can bring a reference or full tech pack; we review feasibility, sample route, finish risk and packaging before bulk. OEM/ODM runs start at 50 pieces per design in 316 or 316L, and at 30 pieces for returning customers.
Talk to a project managerMinimum order
OEM/ODM production starts at 50 pieces per design, in 316 or 316L stainless steel. Returning customers can go as low as 30 pieces per design, quoted per project. Ready stock is separate and carries no minimum at all — you can order a single piece.
316 and 316L
On custom runs you choose the grade: we place production in 316 or 316L to your written specification, and the grade goes into the quote and into the order. Ready-stock lines are a different route — they are sold simply as stainless steel, without a grade claim on the listing.
Browse the 316 menuLogo on ready stock
Ask us before you order. Some SKUs cannot be laser-engraved at all, and some carry a minimum of their own — it depends on the individual SKU. We confirm it for the pieces you have actually picked rather than promise a storewide rule.
OEM/ODM terms at a glance
Minimum order quantity, lead time and what we need from you — the numbers a buyer needs before writing the first email.
| Minimum order (OEM/ODM) | 50 pieces per design, in 316 or 316L stainless steel |
|---|---|
| Returning customers | From 30 pieces per design, quoted per project |
| How the minimum is counted | Per design, not per order — three designs at 50 each is a 150-piece order |
| Production lead time | 10–15 working days after the specification and sample are approved |
| Sample before bulk | Always — nothing goes into production until you approve a physical sample |
| What you send us | A CAD file, tech pack, sketch, reference photo or product link — finished drawings are not required |
| Branding included in the quote | Logo engraving, logo tags, hangtags, warranty cards and custom boxes |
| Ready stock is a separate route | No minimum at all — order a single piece to test a design before committing to a custom run |
(03) The process
From sketch to shipment
0106
02
Wax and sampling
Wax, resin or physical sample route confirmed before a bulk order starts.
03
316 production
Cast, stamped, formed, ground and polished in 316 stainless steel according to the agreed spec.
04
PVD finish
18K-gold, rose-gold, black or silver-tone PVD finish matched to the approved sample.
05
Setting and QC
CZ, moissanite, pearl, enamel or logo details checked for placement, surface and security.
06
Pack and ship
Logo card, pouch, box, SKU label and carton packing are prepared against the buyer brief.
(04) Working with us
How our OEM/ODM process works, step by step
An OEM or ODM order runs through six stages: design intake, a written quotation, sampling, production with partner factories, quality control, and shipping from Guangzhou. The sequence above is what happens to the metal; this is what happens between you and us. Each stage ends with something you can read or hold — a written quote, a sample in your hand, an inspection result — before the next one starts.
01 Design intake
Send whatever you already have: a hand sketch, a photo of a piece you like, a product link, a CAD file or a full tech pack. Nothing has to arrive in a particular format, and where the reference is only a photograph the missing engineering detail is settled later on the sample rather than guessed at now.
02 Quotation
You get a written quote covering the material, the finish route, the packaging and the unit price at your quantity. OEM/ODM production starts at 50 pieces per design in 316 or 316L stainless steel, and at 30 pieces for returning customers; ready stock is a separate route with no minimum at all.
03 Sampling
CAD modelling and a physical sample come before any bulk order, and the model is adjusted there for the mould, the finish and repeatable production. Sample cost and lead time are quoted per design — a plain band and a stone-set piece are not the same job, so we do not publish one figure for both.
04 Production
Bulk is produced with partner factories in the jewellery clusters around Dongguan and Foshan in Guangdong, worked against the approved sample rather than the original drawing. Where a technique or a finish needs a specialist — PVD colour matching, stone setting, enamel — that part is placed with a factory that does it every day.
05 Quality control
Our production team checks each batch against the approved sample: finish and plating tone, stone security, engraving placement, dimensions and weight. If a test requirement was agreed in writing before sampling, it stays scoped to the named SKU or batch — we do not issue a blanket certificate covering the catalogue.
06 Shipping
Finished goods leave Guangzhou directly, with tracking, to more than 60 destinations, packed under your label where that has been agreed. Ready stock dispatches in three to five working days; a custom run ships once production and inspection are signed off, on the date confirmed in your quotation.
(05) Finishes and capability
Pick a finish. We quote the route.
Available finish routes depend on the named material, design and partner factory. Confirm the approved sample, finish specification and care guidance before bulk production.
18K Gold PVD
3D modelling and samplingCAD / wax / resin
Casting and finishing316 stainless steel
PVD platingGold / rose / black / silver
Stone settingCZ / moissanite / pearl
Engraving and enamelLogo / hallmark / colour
Custom packagingBoxes / pouches / cards
Branded packaging and dispatchDirect under your label
Per quote
Capacity confirmation
Partner
Production routes
Quoted
Sampling lead
Per brief
Programme scope
(06) Branding on pieces and packaging
Logo engraving and branded packaging options.
- -Logo engraving, logo tags, hangtags and warranty cards matched to your brand file.
- -Custom boxes, pouches, inserts and display cards quoted by artwork and order size.
- -Wholesale packing and dispatch under your label may be available for eligible stocked SKUs and agreed programmes; stock, packing, dispatch and returns must be confirmed in writing.
(07) Programs
Representative custom production programs
These are illustrative build scenarios, not published customer case studies. They show routes that can be reviewed and quoted; nothing on this section confirms an unnamed client's order, test result or production outcome.
EarringsGold hoop launch for a first-time label
Illustrative route: a moodboard and reference can be reviewed for CAD, sample, selected finish, logo details and packaging. Feasibility, timing and output are confirmed only after the brief is reviewed.
316 + 18K gold PVDLogo-engraved postsCustom gift boxSampling lead quoted after review
RingsStackable ring set in three PVD tones
Illustrative route: a stacking set may be quoted across selected finishes, stone options and a size run after tooling and partner feasibility are confirmed.
316 + gold / rose / silver PVDCZ pave optionFull size runFrom 50 pcs per design
NecklacesEveryday necklace sourcing programme
Illustrative route: an everyday necklace line may combine a named stainless-steel grade, selected finishes and packing under your label. Any EN 1811 or REACH evidence must be scoped for the named SKU or batch before sampling; no result is implied here.
Material and finish confirmed per SKUBlack + gold finishesTesting requirements scoped before samplingBranded packaging
Full collectionMixed capsule from a supplied tech pack
Illustrative route: a supplied tech pack can be reviewed for a mixed capsule, samples, selected stones and coordinated packaging. Material, inspection and delivery terms are confirmed in writing per programme.
316 + moissanite / pearlRings, earrings, necklacesMatched packaging suiteInspection scope agreed before production
(08) FAQ
Questions buyers ask before starting a custom run
Do you support CAD files and custom designs?
Yes. A CAD file, a tech pack, a hand sketch, a reference photograph or a product link are all workable starting points, and you do not need finished drawings to get a project reviewed. CAD modelling from your reference is part of the sample route, and the model is adjusted there for the mould, the finish and repeatable production; the engineering detail is confirmed on an approved physical sample rather than on paper.
What is the minimum order for a custom jewellery design?
Fifty pieces per design, in 316 or 316L stainless steel. Returning customers can go as low as 30 pieces per design, quoted per project. Ready stock is a separate route and carries no minimum at all, so a boutique can order a single piece to see how a design sells before committing to a custom run.
Can I get a sample before bulk production?
Yes, and we would rather you did: nothing goes into bulk until you have approved a physical sample, and the bulk run is then worked against that sample. Sample cost and lead time are quoted per design once we have read the brief, because tooling, stones and finish decide the work involved.
Can you engrave my logo on the jewellery?
On a custom run, yes: logo engraving, logo tags, hangtags, warranty cards and custom boxes are quoted together with the order. On ready stock, ask before you order — some SKUs cannot be laser-engraved at all and some carry a minimum of their own, so we confirm it for the pieces you have actually picked rather than promise a storewide rule.
Who actually makes the jewellery?
Production is placed with partner factories in the jewellery clusters around Dongguan and Foshan in Guangdong, with specialist factories brought in where a technique or a finish needs one. Design intake, quotation, sampling, inspection and shipping are handled by us on one thread, so you are not coordinating several workshops yourself.
(09) Start your project
Build your collection.
Send a sketch, product link, reference image or tech pack. We reply with feasibility, sample route and lead-time notes.
- ✓Feasibility and quote route after review
- ✓One contact for sample, packaging and bulk notes
- ✓NDA available on request
- ✓Physical samples before bulk production
Before you brief us
Four guides that answer the questions buyers ask us before a first custom run.
Steel grade stated where confirmed for the named productNickel-release evidence scoped per named SKU or batch316 stainless steelAny REACH requirement confirmed in writing before samplingWater-care guidance confirmed per SKUFinish route confirmed per SKU