Угольные шахты Pt Trubaindo. Alamat Dan Nomor Telepon Pt Trubaindo Уголь Добыча Kaltim KPC PT Kaltim Prima Coal Welcome PT Kaltim Prima Coal KPC again showed its concern to the world of education by providing assistance of 46 units of computers and 10 servers for the implementation of Computer Based National Exam UNBK for Junior High School in Sangatta