On May 11, Ninestar announced that it is first-to-market with a patented G&G-brand ink maintenance box for use in the Epson WorkForce Pro WF-C5000 printer series, including the Epson WorkForce Pro WF-C5210DW, WF-C5290DW, WF-C5710DWF, WF-C5790DWF, WF-M5299DW, WF-M5799DWF, WF-M5298DW, WF-C529RDW, WF-C579RDWF, 3825, 3820, 4720, 4725, 4730, 4740, 4745, 4820, 4825, 4830, C5290a, M5299a, PX-M884F, S884, M886FL,
