| Name | : Diaref oy |
| Business Number | : 0807327-1 |
| Category | : Limited Company |
| Primary language | : Finnish |
| Place of taxation | : Vantaa  | Date of registration | : 01/01/0001 |
| Activity | : Retail sale of lighting and other electrical equipment |
| Alias | : Ht- Valaistustekniikka Oy |