Six months ago, Ninestar subsidiary Ink-Tank (formally known as Zhuhai National Resources & Jingjie Printing Technology Co., Ltd.) promised it would launch new high-capacity ink cartridges compatible with Epson 503XL, 604XL, and 49XL cartridges used in Epson WorkForce WF-2900 series and Epson Expression Home XP-2200 series printer models sold in several regions around the world
