SunSans font?

We’ve got a business card designed by a designer we can’t get in touch with, and we are having trouble finding the font he used.

It’s called “SunSans-Regular” and “SunSans-Demi”

Searching through Google, I find lots of sites that reference SunSans-Regular in their CSS, but i cannot find where to get this font for download so that I can get our business card designs sent off to the printer. Any help would be great :smiley: