Sun Chemical and Heidelberg are investigating new opportunities of working together in a move that will bring further benefits to customers of these two leading global companies.      Sun Chemical is linking up with Heidelberg on new projects that will have spin-offs for customers around the globe.      Ground-breaking R&D between Heidelberg and Sun Chemical on offset press inking was pivotal to the success of the new Heidelberg ‘Anicolor’ unit that is an integral part of a new Speedmast...