... friendly, easy to carry, writing smooth and easy, Marker ink 1.Universal Marker Ink 2.High Quality With Low Price 3.Quality ... Guarantee 24months 4.Stable SupplyAttribute :Ink: Marker InkVolume : 100ml another volume according to client requirement.Certificate : (1 ... our production capacity is about 2.5 million pcs of marker ink, 400,000 pcs of toner cartridge.600,000 pcs ...