Dongsheng trading co. Ltd. Is a leading specialist suplier of printer cartridges. We have our own research and development teams as well as our own manufacturing plant in which we manufacture compatible and factory recycled inkjet cartridges for use in HP, epson, canon and lexmark inkjet printers. Only the highest quality component parts and system-matched inks are used in the production process which employs strict qc procedures that are closely allied with a customer focused after sales policy.Our manufacturing and production base, utilizes advanced production equipment and technology to ensure the highest quality finished products. This process is helped further by a bilateral cooperation agreement with a leading university to enhance our production procedures including vacuum ink-injection.We only used the very highest quality system-matched inks which for epson&canon series cartridges are sourced from Japan and for hp&lexmarkseries from the USA. All inks perform according to standards set by the printer oems and provide high quality output which is directly comparable to the of an original printer cartridge. Our products favorably passed through the inspection by buyers laboratory INC. In USA with colors directly matching those produced by the original vendors products. This allied with our sound and strong manufacturing base gives our customers the confidence that they need to sell these cartridges in their various markets throughout the world.Welcome for your contact for more detailed information and inquiry of our offer. We do hope to establish a mutual benefit business ship with your esteemed company in the near future. Contact us now.