Exploration diamond drilling differs from other geological drilling, which utilizes an annular diamond drill bit attached to the end of hollow drill rods to cut a cylindrical core of solid rock for examination on the surface. 

Roschen specializes in the development, production and sales of exploration drilling tools as well as providing drilling solutions and services. Roschen is a national advanced technology enterprise, one of the drafters of geological drilling tool standard of China,award of second prize of National Science and Technology Progress in China.