Saturday, Mar 17, 2018


Corporate Philosophy

A leading company in the field of precious metals,

With superior creativity and technical excellence,

We build customer trust through rapid responses that exceed expectations,

Contribute to the creation of a prosperous society,

As well as to the future of the planet through sustainable use of precious metals.


Business Description

Since its foundation in 1885, Tanaka Precious Metals has provided products in the industrial, asset, and jewelry fields as a precious metals specialty group. Tanaka is a leader in Asia in terms of the volumes of precious metals handled. In the industrial segment, one of the Group’s core businesses, Tanaka develops precious metal materials, products, and technologies essential for a range of industries including semiconductors, energy, automobiles, communications, consumer electronics, and healthcare. The Group has sales offices and production sites around the world. In September 2016, Tanaka Kikinzoku Kogyo acquired all shares of Metalor Technologies International SA. Going forward, Tanaka Precious Metals will continue its efforts to contribute to the development of an enriching and prosperous society made possible by precious metals.

As of November 2016

Holding Company

・Tanaka Holdings Co., Ltd. (pure holding company)

Business Companies

・Tanaka Kikinzoku Kogyo K.K.

・Tanaka Denshi Kogyo K.K.

・Electroplating Engineers of Japan, Limited

・Tanaka Kikinzoku Jewelry K.K.

・Metalor Technologies International SA



The TANAKA has contributed to the advancement and progress of society through the continuous pursuit of the inherent possibilities which lie within precious metals. The precious metals products of TANAKA can be found in many products such as automobiles, electrical appliances, network equipment which surround us and enrich our lives. The infinite potential hidden in precious metals is being utilized in such applications as clean energy, recycling, nanotechnology, biotechnology and other clean environment technologies spotlighted in recent years. Realizing the full potential in fundamental areas, such as precious metals recycling, refining and assaying technologies is key in maintaining a world class top level. Contributing to the realization of a leisurely and prosperous society, through the refinement of certain traditional technologies.



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.



Major Target for New Business



・Consumer electronics

・Semiconductor Application Company

・Environment & Infrastructure

・Life & Health

・Next generation energy

China, Czech, Germany,, Japan, Korea, Malaysia, Philippines, Singapore, Switzerland, Taiwan, Thailand, UK, USA




Precious metals

General supplier of precious metal products, materials, technology, and service



Head quarter in Tokyo, Japan.

TOKYO BUILDING, 2-7-3, Marunouchi, Chiyoda-ku, Tokyo 100-6422, Japan


Competitive Advantages

・Total Solution Provider

From procurement to the recycling of precious metals, we aim to further streamline our business by adopting an integrated system.

・Bullion Procurement

 Even if you need a large number of components or there is a global excess demand, we can ensure your procurement needs are met because we secure a stable supply.

・Processing and Manufacturing

   Our development system is quick to identify new materials, explores the opportunities such materials offer, and ensures no effort is spared in their realization, which enables addition of "further innovation" for the product of our clients.


   TANAKA possess the business acumen which proposes the optimal solutions according to demand.  As well as Japan, TANAKA provides support structure encompasses 13 overseas offices in Asia, North America and Europe.


    The assay value, which is critical to the recycling of precious metals, is calculated to assess the reliability of a company. Worry-free assaying allows you to achieve increased cost savings.


Company Goals & Objectives

Precious metals are largely used in a wide range of fields and cutting-edge applications.

Our mission is, through precious metals technologies, to contribute to the development to the world as well as Japan.

Along with wider application of precious metals technologies expanded to environmental issues, energy issues and medical field, our group companies have been working toward meeting the needs of each customer.



3,476 (as of March 31, 2016)




Ejimaya Tanaka Shoten founded in Kayabacho, Nihonbashi, Tokyo


Successful creation of platinum wire from platinum refined from used incandescent bulbs

Platinum laboratory equipment exhibited and awarded at Tokyo Expo


Start of production of crossbar contacts for telephone switches


Establishment of TANAKA DENSHI KOGYO K.K.


Manufacture of Tokyo Olympic Commemorative Medals


Establishment of Electroplating Engineers of Japan, Limited (EEJA)


Accreditation as a Good Delivery Refiner by the London Bullion Market Association (LBMA)



Appointed as a Good Delivery Referee by the London Bullion Market Association


Transition to holding system under TANAKA HOLDINGS


Accredited as a member of the London Bullion Market Association


Tanaka Kikinzoku Kogyo acquired all shares of Metalor Technologies International SA.


Other Notes

As one measure of our assaying capabilities, the TANAKA is one of only five companies worldwide, and the only company in Asia, to be accredited as a Good Delivery Referee by both the LBMA and LPPM, the most authoritative market-monitoring organizations worldwide. We were also the first company in Japan to acquire ISO/IEC 17025 accreditation for our platinum, gold, silver, and palladium assay competence.

TANAKA has also been accredited the COMEX and NYMEX.

LBMA: Accredited as a Good Delivery Referee for both gold and silver by the London Bullion Market Association

LPPM: Accredited as a Good Delivery Referee by the London Platinum & Palladium Market

COMEX: Good Delivery Bars for Commodity Exchange Inc.

NYMEX: New York Mercantile Exchange.




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