On March 9, 2015 MIST team members (Vincent Haugdahl, Agnes Gårdebäck, Davide Menzio) visited Nanospace AB in Uppsala to discuss the Interface Control Document for the propulsion system that is a payload on the MIST satellite. Johan Sundqvist showed a propulsion system being tested before delivery to a customer. This is very similar to the one proposed for MIST.
Here is a close-up of the system.
To finish the visit the MIST team members where shown around the laboratory and production facility at the Ångström Laboratory used by Nanospace.