We offer compatible addressing ink cartridges for industrial mailing and packaging applications utilizing HP thermal inkjet technology. Our 42 step inspection, cleaning, refilling and post testing procedures help insure that you are shipped a reliable product without sacrifice to quality. Our compatible HP, Kao Collins ink formulations are guaranteed to lower your production costs on all your addressing ink for printing, mail addressing, barcoding or package case coding and marking. All of our ink and ink cartridges are "Made in America".