| Name | Ena Optical Mfg. Co., Ltd. |
| Representative | Daisuke Niwa, President |
| Address | 4827-48 Naegi, Nakatsugawa, Gifu Prefecture 508-0101 Japan |
| Tel.(main switchboard) | +81-573-67-2211（Reception time：8:30 – 17:00） |
| FAX | +81-573-67-2214 |
| Employees | 75 (as of October 2025) |
| Lines of business | Design and manufacture of eyeglass frames |
| Capital | 75 million yen |
