Quality and Reliability Make Your Printing more Efficient, Compatible Printers Selected Ingredients Printers Jack picks the best raw ink powder in the market and test every raw material before putting into production Strict Quality Control We test every production with the ink density surface tension and color accuracy before we ship to our customer We built out a ink production record bank internally so to preserve every ink production sample 3 Level of Ink Filtration Every ink bottle has to go through 3 level of refinement