主营业务： 145# Pentaerythritol rosin resin Disproportionated rosin Ester gum Glyceride maleic anhydriade resin Gum rosin(steam method) Maleic resin Pentaerythrite Ester of Hydrogenated Rosin Potassium soap disproportionated rosin Rosin modified phenolic resin

其他业务：POLIMEROS SINTETICOS