🇯🇵 Nagaizumi (長泉町) is a town located in Suntō District, Shizuoka Prefecture, Japan. Economy Nagaizumi is host to numerous industries, including paper mills, and chemical plants. Large factories are operated by Toray Industries, Kyowa Hakko Kirin Co., Ltd., Toho Tenax, Tokushu Paper Mfg. Co., Ltd., and Olympus Corporation. Nagaizumi also serves as a bedroom community for the industrial zones in neighboring Mishima and Numazu. Agricultural products of Nagaizumi include persimmons, mountain yam, white welsh onions and muskmelon.