We have a manufacturing process all of Rosin. Disproportionated Rosin(DPR), SBR Emulsion(Potasium and Sodium Soap) , Ester,(Penta-type,, EG-type, DEG-type, TEG-typ, Methyl-type) DPR Ester, Emulsion of Rosin(DPR,Hydro-Rosin,Poly-Rosin)Eester(non solvent), Maleic Rosin, Fumaric Rosin, Poly-Rosin, Hydrozenated Rosin,  Colorless & most minium acid value Liquid Rosin, Puricated Rosin. All of the Rosin derivatives.