Gun Ei Chemical Industry Co., Ltd. manufactures and sells synthetic resins, high-performance fibers, starches, sugars and real estate leasing services primarily in Japan. The company operates through three segments: Chemicals, Foods and Real Estate Utilization; the Chemicals segment produces industrial phenolic resins including RESITOP (Relay Top) for shell molding and photoresist, reactive polyimide GPI series, high purity bisphenol F (BPF-SG), functional phenolic resins, kynol novoloid fibers, spherical phenolic resins such as Marilin, s-RP nano sand, Milex special phenolic resin, urea-melamine-based adhesives, casting binders, plasticizers and formalin; the Foods segment offers isomerized sugars, glucose, water syrup, oligosaccharides (Guneioligo Puretos) and cereal syrup; the Real Estate Utilization segment engages in property leasing. Founded on January 23, 1946 and headquartered in Takasaki-shi, Gunma, Japan, the company lists on the Prime Market of the Tokyo Stock Exchange (ticker 4229) and targets industries such as electronics, automotive, construction and casting with electronic materials, industrial materials and food products. Recent developments include the launch of a dedicated website for Kynol novoloid fibers in November 2023, exhibition of Kynol at the Technical Textiles event in April 2024 and notice concerning completion of payment for disposal of treasury shares as restricted stock remuneration in July 2025.