The development of the shell for the petroleum drilling machine is one of the developing projects in our company.

Elements of stonework excavation: Use down-hole drill assisted with hammer drill drilling. Control blasting loosely and side slope molding smoothing wall blasting.

Subgrade excavation of rock using pneumatic drill and DTH drill Hole drilling, loose blasting in small and deep hole blasting, excavators and loaders loading ballast, dump truck, bulldozer tie.