Functions since the 'muscle mass' on the location on account of its standing as an important upstream stage to the oil & gasoline market and is also East Kalimantan's logistical hub. The 'coronary heart' on the location due to its standing as East Kalimantan's historic Heart which features a renewable https://www.propanraya.com/cat-propan-mempercantik-kantor-presiden-dan-istana-negara-di-ikn-ibu-kota-baru-indonesia