PT. KERIS BUANA MANDIRI as a means of business activities in the fields of mining, trade, transportation and other mining and quarrying services that support the energy, industry and infrastructure sectors.PT. KERIS BUANA MANDIRI has experience in mining for more than 10 years, and is supported by other companies owned by the founders who are incorporated in the form of cooperation and mining support in the fields of:- Mining services (owning mine equipment)- Sea transportation services (own boat)- Land transportation services (have your own truck fleet)In the aforementioned case, they will support each other between the companies, so that even though PT. KERIS BUANA MANDIRI is still relatively newly formed, it is expected that it will develop rapidly with the support of fairly good working partner relationships that have been running so far.