... kinds of Rosin Esters and modified rosin products 32,000 MT.Total annual capacity is over 80,000 tons.WSSFC has ... million, the production base is capable of producing 20,000 MT of Gum Rosin, 2,500MT of Gum Turpentine and 10 ... } ); } )(); Pentaerythritol Ester of Gum Rosin PER-100L,PER-100F,PER-90,PER-115F