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Doubts: “Hardtech Platinum”?

Double E

Brilliant_Rock
Joined
Jun 23, 2018
Messages
958
As captioned, is there something so called “hardtech platinum” being recognised in the global jewellery industry?
 
I found S925 Sterling Silver 3D HARD TECH Platinum Plated listed several places on several Chinese selling sites.
It sounds like marketing wank to me.
 
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