Biser Oliva AD is one of the leading producers of high quality sunflower oils in the Republic of Bulgaria. The company is based in the town of Stara Zagora, Bulgaria Products: Plant product list includes: • Crude sunflower oil – in bulk • Refined sunflower oil – in bulk • Refined sunflower oil - bottled in PET bottles of 1,2,5 and 10l • High-protein sunflower meals • Lecithin • Fatty acids