1. quality guarantee: we guarantee that our Epson, Canon, Brother all compatible inkcartrige' defective rate only is 0.2%( or less). If the rate is exceed our promise, we Ensure compensate to our client equivalence. 2. competitive price !! 3. the ink used is imported from korea. High Quality Ink 100% ensure Printing Quality. 4. cartridge shelf made in good materail in P.P., make shelf and ink get supreme compatibity. 5. Japanese imported sponge we used. finespun fiber let ink flow smoothly in the tank so that printing smoothly. 6. printing result: excellent printing result match originals. no leaking, no white string, no color deviation, hardly no complaints about quality. 7. packing box: attractive color box or we can design client's personalized color box 8. sample: available 9. contact: tommy_liu@msn.cn