Permata Resources Group ("Permata") is the subsidiary of PT. Permata Prima Sakti Tbk.Permata's primary activity is to acquire, explore and develop coal mines in Indonesia aside from its trading activity.The Group produces coal from its own mines in, purchases coal from third parties and sells coal to emerging markets in Asia including China, India, South East Asia, Japan and Korea.The Group is currently one of the largest private producers in Sumatra and is an emerging producer in Kalimantan.