TR&Co. (formerly named Thamrin & Rachman) represented PT Pupuk Kalimantan Timur (member of state owned company group) in the establishment and construction of Kaltim-5 Project for the production of 2,500 MTPD Ammonia Unit and 3,500 MTPD Urea granules Unit located in Bontang, East Kalimantan. Kaltim-5 Plant was the largest ammonia/urea