Kimiyagaran Bartar Zangan Co. with over 30years of experience in the chemical, agricultural and livestock andpoultry industries is one of the leading companies in the chemicalindustry in the country. This company has established a factory in2010 with an area ofââ3840square meters that is located in Zanjan- Tehran old roadway andmanufactures some kinds of sulfate such as iron sulfate (powder andcrystal), zinc, copper and aluminum sulfates. Production volume ofthe plant is 5,000 tons per year, which is mainly consumeddomestically and the remainder is exported to neighboringcountries.Another plant of the company named Behin RaveshSanaat e Atour is located in Noavaran Zanjan industrial park with4200 square meters area that is producing manganese sulfate andcarbonate and cobalt concentrate with annual production capacity of2,500 tons. The company is the only producer of manganese carbonatein the Middle East and has got the Patent from the State oforganization for registration of Deeds and Properties, and IranianResearch Organization for Science and Technology(IROST).Kimiyagaran Bartar Zangan Co. also isinternational sales representative of Tajhiz Niruye Zangan,producer of base oils and hydrocarbons.