dear sir/mandam we RUSENET OIL & GAS registered well know mandate to our end sellers refinery in russian Federation use this medium to inform all serious and potential buyer of petroleum product the avialiabilty of oil product mazut in russian origin kindly contact us via our official email for more info:rusenet(a)mail.ru skype: shamil14055 note: only geniun and serious buyers should contact because time wasters are not welcomeRegardsNikolai Seregey Aleksei