Jewena
Verification

Lab test reports and company registration.

Third-party laboratory results for our stainless-steel jewellery, published in full, together with our registered company details.

See the reports
Third-Party Testing

Composition, nickel, lead and cadmium: all passed.

Tested by an accredited third-party laboratory (CNAS / ILAC-MRA). Each test below shows the matching page of the original report; click any page to view and zoom the full report.

Report No.
CTT26090107358EN
Laboratory
Guangdong Consumer Testing Technology Co., Ltd. (CTT)
Accreditation
CNAS L3068 · ILAC-MRA
Issued
2026-10-09
Verify
CTT verification QR code for this test report Scan with your phone, or click, to check this report on CTT's official system.

Scanning the QR code opens this report on CTT's official report system, which shows the report number, issue date and its status (Valid). A genuine lab report can always be checked with the laboratory that issued it; if a report cannot be verified that way, treat it with caution.

01 · Test report

316 stainless steel composition

ASTM A959-19

✓ Pass

Element analysis against the ASTM A959 limits for 316 stainless steel. Chromium, nickel, molybdenum, carbon and the trace elements all fall inside the 316 range.

Result
Cr 17.83% · Ni 11.62% · Mo 2.29% · C 0.064%
Limit
Cr 16.0–18.0% · Ni 10.0–14.0% · Mo 2.00–3.00% · C ≤0.08%
Report No.
CTT26090107358EN
Report No. CTT26090107358EN – page 1Report No. CTT26090107358EN – page 3

PDF download is open only to customers with an order.

02 · Test report

Nickel release

REACH Annex XVII #27 · EN 1811:2023

✓ Pass

The EU nickel-release test for items in prolonged contact with skin, measured on the earring body over three test pieces. No nickel release was detected.

Result
Not detected (< 0.05 µg/cm²/week)
Limit
≤ 0.88 µg/cm²/week
Report No.
CTT26090107358EN
Report No. CTT26090107358EN – page 1Report No. CTT26090107358EN – page 4

PDF download is open only to customers with an order.

03 · Test report

Lead content

REACH Annex XVII #63

✓ Pass

Lead content checked against EU REACH, which limits lead in jewellery parts to 500 mg/kg (0.05%). Measured 22 mg/kg.

Result
22 mg/kg
Limit
≤ 500 mg/kg
Report No.
CTT26090107358EN
Report No. CTT26090107358EN – page 1Report No. CTT26090107358EN – page 4

PDF download is open only to customers with an order.

04 · Test report

Cadmium content

REACH Annex XVII #23

✓ Pass

Cadmium content checked against EU REACH, which limits cadmium in jewellery metal parts to 100 mg/kg. No cadmium was detected.

Result
Not detected (< 2 mg/kg)
Limit
≤ 100 mg/kg
Report No.
CTT26090107358EN
Report No. CTT26090107358EN – page 1Report No. CTT26090107358EN – page 5

PDF download is open only to customers with an order.

As stated by the laboratory, results apply to the sample as received. The report must be read as a whole.

The signed PDF report is available to customers with a paid order: sign in with the account you ordered with to download it. Every page of the report can be viewed above.

Registered Company

A registered business you can check.

Our company business licence
Legal name
Guangzhou Jewena Jewelry Co., Ltd.
Unified social credit code
91440106MAKM4PQU4F
Registered in
Guangzhou, Guangdong, China
Company type
Limited liability company
Business scope
Jewellery manufacturing, jewellery design, jewellery wholesale, jewellery retail, mould making, import and export

This is our business licence as issued. To verify it independently, scan the QR code on the licence or search the credit code on China's National Enterprise Credit Information Publicity System (gsxt.gov.cn). Click the licence to enlarge it.

Ask any supplier for the paperwork before you order. We publish ours.

- Jewena quality desk

Questions about a specific product, material or test? Send us the product link and we will tell you exactly what the paperwork covers.

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