Sun Chemical will increase prices on all offset inks and coatings for its customers across all regions, effective March 1, 2018.   The percentage increase will be in the high single digits and will vary dependent on the product composition and product line.   Since the end of 2016, costs have risen on an annual basis and further increases are expected for the remainder of 2018. These are mainly due to production and environmental restrictions on key materials, especially in China where there...