[3] In 1926, the Shinetsu Electric Company diversified as Shin'etsu Nitrogenous Fertilizer.
[4] The economy of Shin'etsu subregion is large and highly diversified with a strong focus on silverware, electronics, information technology, precision machinery, agriculture and food products, and tourism.
Until 1989, Shin'etsu subregion also had a vibrant mining economy specifically of gold in Sado Island.
The same two cities are second after Osaka in the production of scissors, kitchen knives, and wrenches.
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