DUBLIN--(BUSINESS WIRE)--Research and Markets (http://www.researchandmarkets.com/research/ts23qw/global_gum_rosin) has announced the addition of the "Global Gum Rosin Industry Report 2015" report to their offering. The Global Gum Rosin Industry Report 2015 is a professional and in-depth study on the current state of the gum rosin industry. The report provides a basic overview of the industry including definitions, classifications, applications and industry chain structure. The gum rosin market