Diamine has been manufacturing ink since 1864 and relocated to a ‘state of the art’ purpose build factory in Liverpool in 1925. Diamine is still based in Liverpool and is manufacturing inks using traditional methods and formulas. Over the years Diamine production methods survived and it symbolizes a very fine quality in fountain pen inks, calligraphy / drawing inks and stamp pads. Due to the very fine quality Diamine fountain pen inks can be used in any brand fountain pen.