Jewelry Certifications, Test Reports & Compliance Documents
Haosen Jewelry maintains factory audit records, material test reports, finished-product testing documentation and supporting supplier certifications for jewelry manufacturing projects.
The available documentation varies by material, product and project requirements.
Our Factory Certifications & Audits
Haosen Jewelry maintains third-party factory audit and inspection records to support customer supplier evaluation and sourcing requirements.
These documents relate directly to our manufacturing operation and provide information about factory management, working conditions, production capability and supplier assessment.
SEDEX / SMETA Factory Audit
Audit NO:ZC1012647
Entity: Haosen Jewelry / Dongguan Haosen Metal Jewelry
Document Type: Factory Social Compliance Audit
Purpose: Supplier evaluation and ethical sourcing review
Available: Audit report available for customer review
SGS Factory Inspection
SGS Report number:479192202_P+T Check →
Document Type:
Third-Party Factory Assessment
Purpose:
Manufacturing capability and factory verification
Material Test Reports

Acero inoxidable 316L
316L Stainless Steel
Available documentation may include:
- Material composition testing
- RoHS-related restricted substance testing
- Nickel release testing

Brass / Copper
Available documentation may include:
- Heavy metal testing
- Material composition testing
- Supplier recycled
-material documentation
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Aleación de zinc
Available documentation may include:
- Lead testing
- Cadmium testing
- California Proposition 65-related testing
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Titanio
Available documentation may include:
- Material composition
- RoHS-related testing
- Finished-product testing
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Finished Product Test Reports
Finished Product Compliance Testing
In addition to raw material documentation, finished jewelry may also be submitted for third-party testing according to product type, customer requirements and target market.
OEM Earrings Success Story
Testing: Nickel Release / REACH-related testing
Sample: Finished Earrings
A successful OEM earring project depends on more than reproducing a sketch—it requires early design validation, material and finish confirmation, cost optimization, accurate 3D modeling, and production checks before sampling. In this case, Haosen helped a first-time jewelry brand refine rhinestone colors, logo treatment, hardware, and earring structure, then corrected a 3D design issue before production.
Case Study: A Partnership in Fashion Accessories
Testing: REACH / Nickel Release / Heavy Metal
Sample: Finished Accessories
Abstract: This article provides a detailed account of our successful collaboration with the renowned brand, starting from our initial meeting at the Canton Fair in Autumn 2024 to securing the bulk order for their Autumn 2025 collection. It highlights how our professional product solutions, technical adaptability, transparent communication, and unwavering commitment to quality built the trust needed
316L Stainless Steel Charms Bracelet Manufacturing Process
Testing: Nickel Release / REACH-related testing Purpose: Manufacturing capability and factory verificationThis article details Haosen Jewelry’s full manufacturing process for 316L stainless steel charm bracelets, covering DFM audit, lost‑wax casting, #8000 mirror polishing, PVD 18K gold plating, micro CZ setting, laser welding, assembly, passivation, and strict QC. It highlights hypoallergenic material, OEM/ODM customization, low MOQ, 20–30‑day lead time, global scmpliance, and after‑sales support for brands and wholesalers.Supplier Certifications
Some materials, components and packaging used in our projects are sourced from external suppliers.
Where relevant, we review supporting supplier documentation such as scope certificates, material test reports and sourcing-related certifications.
These documents belong to the respective suppliers and are presented as supporting supply-chain documentation rather than certifications issued directly to Haosen Jewelry.

Recycled Brass Material Supplier
Document: GRS Scope Certificate
Certificate Holder: Material Supplier
Use: Supporting recycled-material sourcing documentation

Leather Supplier
Document: LWG Gold Rated Audit Certificate Holder: Leather Supplier Use: Supporting leather sourcing documentation

Packaging Supplier
Document: GRS Scope Certificate Certificate Holder: Packaging Supplier Use: Supporting recycled packaging sourcing documentation
Understanding Document Ownership
Not every document shown on this page is issued directly to Haosen Jewelry.
Depending on the document, the certificate or test report may belong to:
- Haosen Jewelry or our manufacturing entity
- A raw material supplier
- A packaging supplier
- A leather supplier
- A specific tested product or sample
We clearly identify the document holder and scope so customers can understand how each record relates to their project.
Compliance Documents We Can Support
Depending on the material, product, target market and customer requirements, available or project-specific testing may include:
Material
- Stainless Steel Composition
- Brass / Copper Composition
- Titanium Analysis
- Alloy Identification
Chemical & Safety
- REACH-related testing
- RoHS-related testing
- Nickel Release
- Lead
- Cadmium
- Restricted Substances
Performance
- Salt Spray Testing
- Resistencia a la corrosión
- Plating Performance
- Coating Evaluation
Supply Chain
- Recycled Material Documentation
- Leather Supplier Audits
- Packaging Supplier Certifications
Learn More About Jewelry Certifications & Testing

REACH Compliance for Jewelry Earrings
See how nickel release, lead and cadmium are evaluated under REACH requirements.

316L Stainless Steel RoHS Test Report
Review an SGS RoHS test report for 316L stainless steel raw material.

REACH Testing for Cufflinks & Tie Bars
See actual nickel release, lead and cadmium results from a finished-product test.
Need Compliance Documents for Your Jewelry Project?
Tell us your product type, material, target market and any testing or documentation requirements.
Our team can review the available reports and determine whether additional third-party testing should be arranged for your project.
