Functions Since the 'muscle' with the area because of its standing as a vital upstream level for the oil & gas business and is additionally East Kalimantan's logistical hub. By the tip of Joko Widodo's presidency, many buildings had been concluded such as the State Palace, ministry offices, household properties, https://www.propanraya.com/cat-propan-mempercantik-kantor-presiden-dan-istana-negara-di-ikn-ibu-kota-baru-indonesia