Facility
Sumitomo Chemical Ehime Works (Nihama, Japan)
Sumitomo Chemical's Ehime Works (Nihama / Niihama, Ehime Prefecture) is the primary Japanese manufacturing complex for Sumitomo's agrochemical active ingredients including dinotefuran and acetamiprid. The Niihama site has been Sumitomo's core chemicals production facility since 1915 — one of Japan's oldest continuous chemical manufacturing locations. Dinotefuran, developed jointly with Mitsui Chemicals Agro, is produced here for domestic Japanese use (especially rice paddy water weevil control) and for global export under Safari, Venom, and Starkle brand names. Source: Sumitomo Chemical Annual Report 2023; Ehime Works site overview.
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Inputs produced
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Goods downstream
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Incidents on record
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Stories
What's produced here
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