Shortly after the glasses industry was brought to Fukui Prefecture, Sasaki Celluloid Industries began manufacturing celluloid eyeglass frames, and in the early Showa era, it became the first company in the prefecture to commercialize the colorful celluloid material. Succeeded. Today, we continue to carry on this tradition and design, plan, and manufacture plastic eyeglass frames that are not only functional, but also serve as fashion items, mainly in Japan.