主营业务： 138# glyceride resin 145# Pentaerythritol rosin resin Disproportionated rosin Ester gum Gum rosin(Indigenous method) Gum rosin(steam method) Hydrogenated rosin Hydrogenated rosin glyceride Maleated rosin Maleic resin Pentaerythrite Ester of Hydrogenated Rosin Potassium soap disproportionated rosin Rosin modified phenolic resin Water white rosin

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