ECO · INNOVATION · RESPONSIBILITY
Cyanide-Free Precious-Metal Electroforming, Equipment & Training
Shenzhen Yongdarui International Technology — a high-tech R&D company delivering eco-friendly electroplating & electroforming solutions since 2015.
CORE TECHNOLOGIES
Three proprietary cyanide-free processes
14K
14K / 18K Cyanide-Free
Stable 58.5% / 75.0% K value without KCN/NaCN, ready for scaled production.
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21K
21K / 22K Cyanide-Free
Stable 87.5% / 91.6% K value, Au-Cu / Au-Cu-In thick gold coatings.
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Au
5D Cyanide-Free Hard Gold
99.9% pure gold, 120HV+ hardness, cyanide-free, simple wastewater treatment.
Learn more →WHAT WE OFFER
Equipment · Materials · Training
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Equipment
5D hard gold / platinum electroforming machines & rigs.
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Materials
Make-up solution, brightener, conductive salt, gold/platinum salt.
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Training
Gold solution & platinum salt preparation technical training.
Ready to upgrade your plating line?
Book technical training or request a tailored quotation.