主营业务： Ester gum Glyceride maleic anhydriade resin Gum rosin(Indigenous method) Gum rosin(steam method) Gum turpentine Hydrogenated rosin Hydrogenated rosin glyceride Maleated rosin Maleic resin Pentaerythrite Ester of Hydrogenated Rosin Polymerized rosin Rosin modified phenolic resin

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