shenzhen print media co. ltd innovate c79cx5900 /r270 ink cartridge with our own mould. oem package. \n\nour company basic on the best quality. the more, the cheaper and also we can supply competitive price of ciss. the ink cartridge type for c79 /cx3900 /cx4900 /cx5900 ciss, t0731, t0732, t0733, t0734, the ink cartridge type for r270 ciss, t0821, t0822, t0823, t0824, t0825.t0826.