| Type | Manufacturer |
|---|---|
| Website | https://www.ntkj.co.jp/index_en.html |
| Phone number | +81 3-5916-0801 |
| Address | 2 Chome-16 Hasune, Itabashi-ku, Tokyo-to 174-0046, Japan |
NTKJ Co., Ltd. (Nihon Tokushu Kogaku Jushi) manufactures and sells Fresnel lenses,lenticular lenses, sheet prisms and linear Fresnel lenses