ZenWrist / Certificates
Third-party lab certificates for sample pieces from our product lines — shown exactly as issued, conclusions unedited.
Last updated: November 2026
Conclusion: amber (beeswax) bracelet, bead shape, yellow. Total mass 13.23g.
Certificate no. ZJSZ2605005456 · Issued by a Shenzhen jewelry testing center (CMA / CSTC accredited)
| Item | Result |
|---|---|
| Conclusion | Amber (Beeswax) Bracelet |
| Total Mass | 13.23g |
| Shape | Round beads |
| Colour | Yellow |
| Refractive Index | 1.54 (spot test) |
| Absorption Spectrum | Uncharacteristic |
| Magnification | Flow structure |
| Standards | GB/T 16552, GB/T 16553, GB/T 18043, GB 11887 |
Conclusion: reconstructed cinnabar bracelet — adhesive-pressed, approx. 97% cinnabar content. Bead shape, red. Total mass 38.12g.
Test no. 31520829414 · ITC (International Testing Center)
| Item | Result |
|---|---|
| Conclusion | Reconstructed Cinnabar Bracelet |
| Weight | 38.12g (with cord) |
| Shape | Round beads |
| Colour | Red |
| Magnification | Visible granular structure |
| Remark | Glue-impregnated pressed cinnabar, cinnabar content approx. 97% |
As printed on each certificate: the result applies only to the tested sample; copies are invalid. These certificates cover sampled pieces, not every item we sell. We show them as issued — no retouching of conclusions.
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