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Sumiseki is a mining and resource company that produces and sells coal and related energy materials. It serves power producers, industrial customers, and trading partners in Japan and overseas.

Sumiseki products and services overview:

  • Coal mining
  • Coal sales
  • Energy materials
  • Resource trading

Revenue: ~$300 million

Employees: 500

Headquarters: Tokyo, Japan


Sumiseki is one of the...

Sumiseki is a company listed under the stock ticker 1514 (JP).

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