Toyobo MC to invest 1 billion yen to triple RO membrane capacity at Iwakuni plant

Toyobo MC announced an approximately 1 billion yen investment to expand production capacity of hollow-fiber RO membrane 'Hollowsep' at its Iwakuni plant in Yamaguchi Prefecture, Japan. A new spinning line will triple current capacity, with operations expected to start in summer 2026. BC membrane capacity for salt and lithium recovery will also double.

“中東地域などで需要が拡大する中空糸型RO膜「ホロセップ」の生産能力を増強することを目的とし、紡糸ラインを増設し、生産能力を現行の3倍に引き上げる。”automation-news.jp

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• automation-news.jp東洋紡エムシー、山口県岩国市の工場に10億円投資 RO膜の生産能力3倍へ – オートメーション新聞WEB／AutomationNewsDec 17, 2025

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