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Mayumi Watanabe

Mayumi Watanabe is a journalist based in Chofu, Japan. She is fully bi-lingual in English and Japanese. 
She has 15-years metals commodity coverage as a senior editor at Platts. Her coverage area extends throughout rare to base metals and had addressed their market price trends, fundamentals, supply issues, tariff and other political issues affecting markets.

 
Japanese
 
Research Fact Checking
 
Fact Checking

Solar eclipse significantly reduces solar power output in several markets

This blog addresses how US tariff on aluminum affects Japanese aluminum industry.

An untold story of how Seiko Matsuda, a Japanese pop icon, played a role in shifting beer to aluminum can packaging from glass bottles.

Molybdenum concentrate prices surge on China buying ahead of 2019 term oxide talks

Power outage cripples manufacturing in quake-hit Hokkaido

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