The series produced by ink cartridges, refill ink, even for the ink, CISS system fully for EPSON, CANON, HP, BROTHER and other brand printers, quality, superior performance, the ink are from production to filling in the whole Purification of the workshop were completely sterile to ensure clean, and after a 1um, 0.5um, 0.2um tertiary filter, long-term use but do not plug the nozzle; spray dots of ink to ensure consistently smooth, even, clear; print smooth, true color, UV intensity, viscosity, and PH value of the compliance with international standards and will not damage the print head Zaocheng corrosive to ensure the life of the print head; and after a number of rigorous scientific testing to ensure non-toxic, non- would cause any harm to human body