Riung Mitra Lestari was founded in 2006 to take a part in enhancing the nation's quality of life through human resources & value development along with optimum natural resources. With faith in God the Almighty as the main pillar, Riung Mitra Lestari was founded in 2006 to enhance the nation's quality of life through human resources, value development, and optimum natural resources exploitation. The company's function is a significant addition and complement to Indonesia's mining industry, especially in coal mining operations. With the rise of mining decentralization, indicated by the emergence of medium-scale mining concession, Riung Mitra Lestari was born to serve the function of a high-quality medium miner with bolded characteristics comprised not only in excellent mining technique, efficiency, and optimum recovery but also in the deep concern of safety, health, and environment. These characteristics are logical consequences of our eagerness to apply every aspect of a Good Mining Practice.