... coatings,inks,rubbers,soaps,electronic industrial products, food grade ester gum, rosin ester resins etc. Wuzhou Sun Shine Forestry & Chemicals Co. ... Food Grade Ester Gum 6,000MT, Hydrogenated Rosin 10,000MT, and various kinds of Rosin Esters and modified rosin products 32,000 MT ... capable of producing 20,000 MT of Gum Rosin, 2,500MT of Gum Turpentine and 10,000MT of Rosin Esters. GUM ROSIN WW X GRADE