主营业务： 138# glyceride resin 145# Pentaerythritol rosin resin Disproportionated rosin Ester gum Glyceride maleic anhydriade resin Gum rosin(Indigenous method) Gum rosin(steam method) Hydrogenated rosin Hydrogenated rosin glyceride Pentaerythrite Ester of Hydrogenated Rosin Polymerized rosin Rosin modified phenolic resin Terpene resin

其他业务：