YKB specializes in the trading of precious metal products, including gold, silver, platinum, palladium, rhodium and ruthenium, as well as alloy and plating products such as rhodium solution, potassium gold cyanide and potassium silver cyanide, among others.
YKA is engaged in the sale and manufacture of jewellery accessories, as well as the sale of materials, tools and equipment, and numerous other products. Backed by years of experience and expertise, YKA continues to research and develop innovations so as to meet the needs of different customers with quality products and services that are trusted by the market.