Indonesian coal and petroleum coke Our company is the official representative of PT ABK (Indonesia) and Royal Coast Petroleum L.L.C. (UAE) and authorized to conduct preliminary negotiations on behalf of these companies. PT ABK (Indonesia) is a producer of high-quality thermal coal, which is produced in 14 mines. Royal Coast Petroleum L.L.C. (UAE) is a producer of petroleum coke and a big trader in the oil products market. We can supply Indonesian coal and petroleum coke produced in Qatar with the characteristics that are on file.