cmpany профиль добычи угля - boniamici Pt Ktc Добыча угля Energi - justdifferenteventsnl Cahaya Energi Mandiri,a company established based on Republic of Indonesia, has been operating in the coal industry since its foundation in 2008, and it owns approximately 1,600 hectares of mining concession located nearby Sungai Siring, Samarinda, East Kalimantan, and it is far...