... kind of natural resin,mainly composed of various kinds of resin acids It is a kind of natural resin,mainly composed of various kinds of resin acids,it ... 6,000MT, Hydrogenated Rosin 10,000MT, and various kinds of Rosin Esters and modified rosin products 32,000 MT.Total annual capacity ... base is capable of producing 20,000 MT of Gum Rosin, 2,500MT of Gum Turpentine and 10,000MT of Rosin Esters. GUM ROSIN ...