About Us
Group Companies
TANAKA Precious Metals group companies in Japan and overseas collaborate as precious metal specialists to explore the potential of precious metals and create a sustainable future through innovation.
Holding company
Strategic and efficient group management and management group companies as the holding company at the center of the TANAKA Precious Metals.
Business companies
Sales of Precious Metals (Platinum, Gold, Silver,and Others).Manufacture, Sales, Import and Export of various types of Industrial Precious Metals Products.
Refining and Recycling of Precious Metals.
Refining and Recycling of Precious Metals.
Wholly owned subsidiaries of TANAKA Kikinzoku Kogyo K.K.
Manufacturing of Various Bonding Wires, Technical Services.
The World Largest Bonding Wire Manufacturer.
The World Largest Bonding Wire Manufacturer.
Development, manufacture, sales and export of precious metal plating solutions and base metal plating solutions, other related chemical products, and plating equipment.
Precious metals recovery and refining, production and sales of electrical contacts, and production and sales of plating solutions and plating equipment.
Retailing of gold and platinum jewelry, import jewelry, bridal jewelry, precious metals art objects and various commemorative gifts. Remodeling, repair and recycling used jewelry (RE:TANAKA). Selling and buying of gold and platinum bullion bars and coins.
Wholly owned subsidiaries of EEJA Ltd.
Manufacture plating equipments for semiconductor wafers and electromic components
Affiliated companies of TANAKA Kikinzoku Kogyo K.K.
Precious and Non-precious Metals, Specialty Alloys for Electronics, Industrial Products and Raw Materials for Jewelry.
*Equity ratio: TANAKA Kikinzoku Kogyo K.K. 45%
*Equity ratio: TANAKA Kikinzoku Kogyo K.K. 45%
Collection and Smelting of Spent Automobile and Petrochemical Catalyst for Recovery of Platinum Group Metals.
*Equity ratio: TANAKA Kikinzoku Kogyo K.K. 40%
*Equity ratio: TANAKA Kikinzoku Kogyo K.K. 40%
Sampling of used catalysts for cleaning automotive exhaust gas
*Equity ratio: TANAKA Kikinzoku Kogyo K.K. 40%
*Equity ratio: TANAKA Kikinzoku Kogyo K.K. 40%
Sampling of used catalysts for cleaning automotive exhaust gas
*Equity ratio: TANAKA Kikinzoku Kogyo K.K. 40%
*Equity ratio: TANAKA Kikinzoku Kogyo K.K. 40%
Sales of precious metals products.
Manufacturing and sales of processed products of precious metals.
*Equity ratio: TANAKA Kikinzoku Kogyo K.K. 40%
Manufacturing and sales of processed products of precious metals.
*Equity ratio: TANAKA Kikinzoku Kogyo K.K. 40%