Zhanjiang Sunyung Industrial Co., Ltd. · OEM / ODM manufacturer since 2015
Manufacturing
Inside the Sunyung factory.
Development, materials, assembly, inspection and dispatch, all in one place in Zhanjiang, China.
Manufacturing
Explore our factory
Follow a product from the first drawing to the packed collection. Each area shows what happens and what your team can review.
Zhanjiang, China
Explore the factory / Development
Design & development
Product drawings and structural design.
Explore dimensions, structure, mechanisms and branding with the development team before moving into a physical sample.
Explore the factory / Materials
Materials & sampling
Material selection and sample making.
Review material direction, cutting, lining and finish. Physical samples help your team assess the product before approval.
Explore the factory / Assembly
Assembly & craftsmanship
Case assembly, coverings and hardware.
Follow the assembly of the case, its covering, internal components and hardware against the agreed specification.
Explore the factory / Inspection
Inspection & finishing
Appearance, fit and function checks.
Discuss appearance, fit and functional checks for your specification. Agree the inspection evidence your team needs before dispatch.
Explore the factory / Dispatch
Packing & dispatch
Packing and shipping preparation.
Review finished products, confirm packing requirements and coordinate the delivery arrangements for your order.
Prefer to see it in person?
Bring your team, your references and your questions.
Materials
Material library
Explore four material families. Inspect the texture, see where each is used and request a sample for your team.
Ask about additional colours, textures and finishes for your project.
Genuine leather
Genuine leather coverings
Compare leather grain, colour and softness using physical samples.
- Feel
- Supple, naturally textured
- Common uses
- Exterior coverings, rolls & handles
- Customisation
- Grain selection, stitching, edge finishing
Material documents & test reportsAvailable on request for your selected material
Request this sample
PU
PU coverings
Choose colours and embossed textures. Check the selected PU grade for your product’s intended use.
- Feel
- Smooth or embossed
- Common uses
- Presentation cases & watch storage
- Customisation
- Colour matching, embossing, surface texture
Material documents & test reportsAvailable on request for your selected material
Request this sample
Microfiber
Microfiber linings
Soft linings for cases and fitted inserts. Choose the colour, surface texture and thickness.
- Feel
- Fine, soft nap
- Common uses
- Interior linings & fitted inserts
- Customisation
- Colour selection, cut and fitted detailing
Material documents & test reportsAvailable on request for your selected material
Request this sample
Wood & veneer
Wood & veneer finishes
Wood and veneer finishes for rigid cases and watch winders. Select the base material, grain and coating.
- Feel
- Rigid, smooth finished surface
- Common uses
- Rigid cases & watch-winder enclosures
- Customisation
- Veneer selection, stain, lacquer sheen
Material documents & test reportsAvailable on request for your selected material
Request this sample
Concept texture photography. Final colour, feel and performance are confirmed on the selected physical sample.
Quality & compliance
Quality you can trust.
ISO-certified management systems, an amfori BSCI social audit, product tests for the EU, UK, US and Japan, and our own registered designs.
See all certificates-
ISO 9001
Quality management Valid to May 2029
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ISO 14001
Environmental management Valid to May 2029
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ISO 45001
Health and safety Valid to May 2029
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amfori BSCI
Social compliance audit Valid to Dec 2026
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Higg FEM
Facility environmental module Issued 2024
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UL 62368-1
Watch winder safety (US)
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CE · LVD
Watch winder safety Issued Apr 2025
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CE · EMC
Watch winder EMC
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RoHS
Restricted substances Issued May 2025
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PSE · EMC
Watch winder (Japan)
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CE
Fireproof safe Issued Sep 2023
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UL 94
Fireproof safe materials
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CE · EMC
Fingerprint lock
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Design patents
12 designs of our own
Quality control
Checked at every stage.
A dedicated QC team inspects materials on arrival, products on the line and every order before it ships.
Incoming materials
Leather, boards and hardware are inspected and recorded before cutting.
Sample approval
Design, materials and finish are agreed on a physical sample first.
In-line checks
Appearance, fit and function are checked against your specification.
Before shipping
The finished order is inspected and packed to protect the finish.
People & partnerships
Our team & customer visits
Start a project
Let’s develop your next product.
Send a sketch, a reference or a model number. We reply with materials, MOQ, timing and a quote.
Get a quote
Lindsay LiangSales Manager
Zhanjiang, Guangdong, China · UTC+8