Indonesia: Krakatau Semen Indonesia (KSI), a joint venture between Krakatau Steel and Semen Indonesia, has launched a slag grinding plant in Cilegon, Banten. The 0.69Mt/yr ground granulated blast furnace slag (GGBFS) plant had an investment of US$31m, according to the Jakarta Post newspaper. Construction at the site started in 2014. Both the companies running the venture are state owned and they own an equal share each in the plant.