Specification :

Quality Guarantee:
100% Guarantee quality and agree 1:1 replace defective remanufactured ink cartridges.
100% Guarantee quality and agree 1:2 replace defective compatible ink cartridges.
Defective Rate:
1%-3% for remanufactured ink cartridges.
NO more than 0.5% for new compatible ink cartridges

We also manufacturer high quality toner cartridge, for more infromaiton, please visit our web www.skysheen.com