The Bulgarian manufacturer Klas Oil, which produces according to EU standards, is a long-established supplier of various retailers and wholesalers such as Lidl, Penny, Metro, Makro, Tesco, Auchan, Carrefour, Kaufland, the United Nations organisation ( UN ) and other retail chains in the local markets such as Bulgaria, Croatia, Hungary and Romania, but also China, Latin America and Africa. 1L and 10L available as well
