Jewelry (jewelry) testing
Toxic chemical：
- Lead
- Cadmium
- Soluble heavy metal
- Nickel release
- Phthalates
- Reach-SVHC
- AZO
- Formaldehyde
Flammability
Sharp point and edge
Small part
Magnet
Use and Abuse
Color fastness
Tensile strength
Salt Spray (Fog) Test
Decolorization test of sulfide
Labeling
……
