Customer satisfaction is the Company’s main priority. Therefore, the needs of customers as well as the quality of products and provided services shall always be considered and its quality be maintained. The Company and the Subsidiaries apply quality management system starting from the mining process up to the coal shipment. Coal mining is carried out in a controlled manner so that it generates quality products in accordance with the specification required by the customers. Storing and delivery of coal is done carefully, so that its quality and quantity is maintained. To ensure the implementation and timeliness of delivery, the Company owns special terminal for coal shipment.