Mining industry is one of the major factors in Indonesia’s economic highlights. The industry requires a strong support to withstand the increasing demand of the mine. One of the important infrastructures of a coal mining is the hauling road. Since 2004, WASCO had started to construct an approx of 70 km hauling road of a public listed coal mining company at Kalimantan, i.e. PT Adaro Indonesia. Until to date, the company had entrusted WASCO to maintained and conduct expansion of the hauling road.

From 2008 until to date, another international coal mining company, PT Indominco Mandiri, part of Banpu group, had entrusted the maintenance of its hauling road to WASCO.