Active in precious metal refining, recycling, collecting and processing of gold and silver. Provides company profile, departments, investor relations, news, and affiliated companies. Based in Chiyoda-ku, Tokyo.

Active in nonferrous metal smelting and refining, metal production and fabrication, heat treatment, industrial waste-treatment, soil remediation, and scrap metal recycling.

Nagoya based wholesale importer of ceramic raw and glass related materials. Manufactures ceramic products and deals in real estate.