Custom Wholesale 925 Silver Jewelry Manufacturer

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Sustainability & Responsible Manufacturing | Hengdian Silver

Our Responsibility

Responsibility, built into every piece of silver

At Hengdian Silver, we believe responsible silver jewelry is not just about design — it is about whether every step, from raw silver to finished piece, is taken seriously. As a custom silver jewelry manufacturer with our own factory, we don't treat "sustainability" as a marketing line. We put it into verifiable facts: materials, compliance, and manufacturing.

Inside Hengdian Silver's own factory: craftsmen assembling fine silver jewelry at the workshop
Our Stance

Our idea of responsibility is simple: verifiable material, tested products, jewelry built to last, and honesty about what we are still working on. We would rather show you the evidence than the adjectives.

We do not claim to be a fully sustainable manufacturer yet. Our environmental work is at an early stage — we share what documentation we have on request, and we do not publish targets we cannot verify.

Responsibility, in every detail

Raw 925 sterling silver material with clear provenance used in our custom jewelry
01

Responsible materials: pure, traceable, compliant

We primarily use new 925 silver of clear provenance — never silver of unknown origin. Every piece carries an S925 stamp, with surface and core made of the same material. No shortcuts, no plating over a different base metal — material you can verify.

For material safety, we enforce a mandatory compliance baseline: SGS testing, REACH, and ASTM F2999 Standard Specification for Adult Jewelry. Testing is performed on sampled batches, and product test reports — including nickel release compliance with REACH limits — can be sent for your review on request (reports are not shipped with the goods).

Organized component storage inside our own factory in Haifeng, Shanwei
02

Our own factory: transparent, verifiable

We don't rely on trading-company middlemen. Our factory in Haifeng, Shanwei, Guangdong is fully our own — with workshop footage, virtual factory tours, SGS certification and facility details available on request. Owning the factory means quality control reaches the production line: all 14 steps from 3D drawing to finished piece happen within our own system. One less layer of intermediaries, one more layer of accountability.

Quality control: a worker sorting components in the storage area of our factory
03

Full quality accountability: built to last

Silver jewelry's value lies in being worn for years. Our commitment: for quality defects not caused by misuse — fading, peeling, plating failure, material mismatch, dimensional deviation, or stone loss — the factory takes full responsibility, so neither you nor your end customers are left exposed.

Our main stones follow two clear lines: AAA cubic zirconia (CZ) and moissanite — all double-checked at incoming inspection and again before shipment, so brilliance and setting security stand up to daily wear. Made to last — durable design means fewer replacements and less waste. Durability, in itself, is a form of responsibility to resources.

Jewelry being packed in a standard protective OPP bag before shipment
04

Responsible partnership: transparent, customizable

We serve brands, wholesalers, retailers, designers and creators through transparent ODM and co-development, with visibility from 3D design to mass production. Product test reports are available for your review on request — ready to support your sourcing reviews and ESG documentation.

Jewelry is packed in standard protective OPP bags; any other packaging — such as branded gift boxes — is available as a customization option. Transport safety guaranteed, brand expression left to you.

Compliance & Certification
SGS Tested
REACH
RoHS
ASTM F2999

Product test reports available for review on request.

Awakening care for life, through design

We believe jewelry can be more than adornment — it can be a gentle petition. As oceans struggle and species disappear, we choose not to stay silent. We want every piece worn to be a quiet act of protection.

Founders Win Chen and Henry Lee are passionate divers. Over the years, at dive sites around the world, they have witnessed the ocean's rapid decline firsthand — bleached coral, plastic pollution, sea turtles entangled in fishing nets, hawksbill turtles traded illegally, and dugongs left without a home as seagrass beds vanish.

That is when it became clear to them: whatever our country or culture, the future of this planet, its oceans and our living environment is a future we all share. So they decided to create collections around endangered species — using design to call for protecting our common home.
Ocean Collection silver whale shark pendant with cubic zirconia on a display stand
Endangered · Social Impact

Ocean Collection

Endangered Ocean Collection

Focused on endangered marine animals, designed to awaken care for ocean conservation. From leatherback turtles to hawksbill turtles, from dugongs to hammerhead sharks — each piece is a tribute to, and a protection of, the deep blue.

Leatherback TurtleVulnerableHawksbill TurtleCritically EndangeredDugongVulnerable

Let jewelry speak gently for causes that matter — every time it is worn, it is a quiet moment of attention for our oceans and endangered life.

→ Explore the Endangered Species Collection

Want to see all 14 production steps and real workshop footage?

From a wax model to a finished piece — our factory is open to you.

→ Factory & Craftsmanship

Questions our partners ask

How can I get your test reports?
We test on a sampled-batch basis under a compliance baseline of SGS testing, REACH, and ASTM F2999. Product test reports — including nickel release compliance with REACH limits — can be sent for your review on request. Reports are not shipped with the goods. Environmental documentation can also be shared for your review on request, based on your specific requirements; we do not publish these documents on our website. To request either, contact Mr. Henry Li.
Why do you primarily use newly refined silver instead of recycled silver?
For custom jewelry, stable material composition matters most: new 925 silver of clear provenance keeps purity and finish consistent from batch to batch. Every batch of silver is vetted, and we never use silver of unknown origin.
Can we audit your factory or learn about working conditions?
Yes. Our Haifeng, Shanwei factory is fully our own — we provide real workshop footage, support virtual factory tours, and share SGS certification and facility details on request. Our team is provided with basic employment benefits and welfare, and we're glad to show you more during a visit or virtual tour.
How is the jewelry packed?
All jewelry ships in standard protective OPP bags. Other packaging — such as branded gift boxes — is available as a customization option.
What does the endangered-species collection actually do for conservation?
This collection is driven by design and awareness rather than a donation program. Our founders created it after witnessing ocean decline firsthand as divers — each piece is meant to be a wearable reminder that starts conversations about the species it represents.

Compliance and quality, as the premise of a long partnership

Responsible manufacturing is the premise of walking alongside you for the long term. If you are looking for a custom silver jewelry partner that takes compliance and quality seriously, let's talk.

ContactMr. Henry Li
Emailhdjewelry2009@gmail.com
WhatsApp / Tel+86 134 1105 8700
Contact Us
Contact Person
Henry
Full Name:
Henry
Tel:

+00 86-13411058700

Email:
hdjewelry2009@gmail.com
WhatsApp:
8613411058700
Address:
Room 902, Xiesheng Building, North Zhoumen Road, Rainbow Subdistrict, Liwan District, Guangzhou City, Guangdong Province, China