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

Au
5D Hard Gold
99.9% pure gold, 120HV+ hardness, cyanide-free, simple wastewater treatment.
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Pt
5D Platinum
Cracked platinum electroforming — 99.9%+ purity, cyanide-free, industrial-scale.
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Ag
5D Hard Silver
Cyanide-free 3D hard silver process — safer, eco-friendly silver jewelry making.
Learn more →WHAT WE OFFER
Equipment · Materials · Training

⚙
Equipment
5D hard gold / platinum electroforming machines & rigs.

🧪
Materials
Make-up solution, brightener, conductive salt, gold/platinum salt.

🎓
Training
Gold solution & platinum salt preparation technical training.
Ready to upgrade your plating line?
Book technical training or request a tailored quotation.
