Diamine

Diamine appartiene a Diamine-Speciality Inks Limited, con sede nel Regno Unito. No. Il proprietario finale di Diamine, Diamine-Speciality Inks Limited, ha sede nel Regno Unito, non negli Stati Uniti.

Diamine-Speciality Inks Limited is a long-standing British manufacturer specializing in high-quality fountain pen, calligraphy, and drawing inks. It is one of the few remaining independent ink producers in the UK.