Toho Zinc Co., Ltd.
Native name
Company typePublic KK
TYO: 5707
IndustryNon-ferrous metals
FoundedFebruary 27, 1937; 87 years ago (1937-02-27)
Key people
Kimiyasu Marusaki
  • Exploration and development of non-ferrous metal resources
  • Recycling services
RevenueDecrease JPY 114 billion (FY 2016) (US$ 1 billion) (FY 2016)
Increase JPY 8.8 billion (FY 2016) (US$ 81 million) (FY 2016)
Number of employees
1,089 (consolidated, as of March 31, 2017)
WebsiteOfficial website
Footnotes / references

Toho Zinc Co., Ltd. (東邦亜鉛株式会社, Tōhō Aen Kabushiki-gaisha) is a Japanese manufacturer of zinc related products. Established in 1937, it smelts nonferrous metals such as lead and zinc and produces electronic components. There are seven branches in Japan and two branches in China, in Hong Kong and Shanghai. The company was responsible for cadmium poisoning on Tsushima Island in the late twentieth century.

The company is Japan’s third-biggest producer of zinc.[3]


Toho Zinc has four manufacturing sites in Japan:


  1. ^ "Company Outline". Toho Zinc. Retrieved September 18, 2017.
  2. ^ "Company Profile". Nikkei Asian Review. Nikkei Inc. Retrieved September 18, 2017.
  3. ^ "Toho Zinc to restore Australian mine output amid global deficit". The Japan Times. 26 March 2015. Retrieved 14 December 2015.
  4. ^ a b Mines Bureau; United States Geological Survey; Interior Department (May 15, 2015). Minerals Yearbook: Area Reports: International Review: 2012 Asia and the Pacific. United States Government Publishing Office. pp. 10–11. ISBN 978-1-4113-3676-6.
  5. ^ "Toho Zinc Resumes Production at Onahama". Japan Metal Bulletin. June 6, 2011. Retrieved September 18, 2017.