We only source from a consistent and reliable suppliers . Most of our suppliers has been in cooperation with us for many years and proven to be a satisfation customers. Suppliers whose keeping integrity and quality above others.ABS’s Coal business are maintly concentrated in Banjar, Asam-asam, Kintap, Sungai Danau, Batulicin and Serongga of South Kalimantan. And we sources provided through JOINT OPERATION AGREEMENT and CORPORATE SUPPLIER with several local miners.