We have more than 5 years of expertise in computer supplies and all its products are ISO 9001 and ISO 9002 certified. All Colmat inks are fully tested chemically and physically to ensure that they are highly compatible with the OEM inks and safe for the printers. While the diameter of a printhead nozzle ranges from 10-30 microns, all Colmat's inks are filtered down to 0.2 microns in a dust reduced environment. Its strong R&D capability allows it to produce cartridges which hold more ink than the OEM's, and state-of-the-art refilling devices which make refilling as easy as a snap. We offer specific solutions, technical attendance and immediate advice with seriousness and commitment. The big changes of the market, force us to the permanent analysis of new alternatives, modernizing our lines of offered products. Our philosophy is synonymous of a word: SERVICE . We thank to who contribute to the success of COLMAT with their effort.