We are your reliable one-stop manufacturer of inkjets, ribbons and toners from China. We alwayls stick to supplying high quality products-Boast brand Printer ribbons and cartridges maintained with 1 years guaranteed and ISO9001 certified. Guarantee of products We are the manufacturer of top quality printer ribbons, inkjet & laser cartridges since 1992. We warrant each cartridge to be free of defects in material and workmanship. If any our cartridge is found to be defective, we will, at our option, repair or replace the unit or refund the full purchase amount. We also warrant that, subject to conditions stated below and under normal use, our cartridges will not cause damage, abnormal wear, or deterioration to any compatible printers, copiers, or fax machines.