| Loại | Manufacturer |
|---|---|
| Trang web | https://www.nationalaperture.com/ |
| Số điện thoại | (800) 360-4598 |
| Địa chỉ | 5 Northwestern Drive Salem, NH 03079 |
National Aperture, Inc. is the leading manufacturer of precision micro-apertures, pinholes, slits, bar patterns and custom configurations.