The heifler lubricating oil coalition brief, the german heifler petroleum chemical group, which is the world's leading petrochemical company, dated back to 1915 when world war i had six large plates of heifler petrochemicals, heiflord hardware and heifler property. Today there are more than 320 branches and companies in 39 countries. There are more than 60 producers on german soil, located in cities such as ludwig, hamburg, stuttgart, manheim and cologne. Heifler ag is the largest of the heifler group. Heifler has his own coal, oil and gas resources. Winterhall ag, an affiliate of heifler, explores, extracts and refines crude oil and natural gas around the world, and also provides raw materials such as gas, additives, base oil, and prune oil to companies under heifler group. The majority of heifler's foreign businesses are in europe and are located in almost all european countries. In addition, there are branches or plants in north america, africa and asia and the pacific. Heifler w...