Since Incorporation, PRO-SIGN has been synonymous with excellence in the inkjet printing industry and is now well known as a leading manufacturer of digital printing inks, supplying inks to distributors on a world wide basis and is now one of the fastest growing professional inkjet ink manufacturing companies in the world. PRO-SIGN use their prodigious formulating talents to pioneer the development of inks for digital printers from wide format inkjet, throâ€™ wide and to grand format printers from all manufacturers of Inkjet Printers. These printers produce graphics for billboard, back light Billboards, Advertising Graphics, Signs & Displays and also Textile Printing.. Printers using print head technologies from around the world are all considered and inks are formulated specifically for them Xaar , Spectra, Epson, Konica, Seiko and others all have separate ink formulations. Regardless of the manufacturer, Inkwin will have a compatible DOD ink.