Functions Since the 'muscle' in the area resulting from its position as a crucial upstream point to the oil & gasoline industry and is usually East Kalimantan's logistical hub. By the end of Joko Widodo's presidency, lots of properties were accomplished including the State Palace, ministry workplaces, residential buildings, monuments https://www.propanraya.com/cat-propan-mempercantik-kantor-presiden-dan-istana-negara-di-ikn-ibu-kota-baru-indonesia