 Other initially built facilities included 80 coke ovens with associated ammonia and tar plants.By 1912 a (slag) cement plant, benzene plant, third blast furnace, and a further 40 coke ovens had been installed; additionally coke gas was supplied to the Bremen region.Initial plans to add steel plant, foundry and rolling mills were not completed – the plant's main product pig iron was shipped to the Ruhr region.