[3] Kureha Chemical Industries is a member of the Mizuho keiretsu.

[4] The company has stated a strategy of committing to invest in PGA for a long period, patiently waiting for market demand to develop.

[4] To manufacture PGA, the company invested 100 million in a manufacturing facility in Belle, West Virginia to be located nearby a Dupont plant that produces glycolic acid, a primary feedstock for PGA.

[4] Kureha is the world's largest producer of polyphenylene sulfide, a heat-resistant polymer is used in industrial applications such as automotive electronics.

[4] The polymer its produced at the company's site in Iwaki, Japan[5] and in Wilmington, United States by Fortron Industries, a joint venture of Kureha and Celanese.