Element Six (E6), a pioneer in the development and manufacturing of polycrystalline diamond (PCD) and ultra-hard materials, and Master Drilling, a global leader in drilling and mechanized rock ...

Polycrystalline diamond (PCD) and ultra-hard materials developer and manufacturer Element Six (E6), which is part of the De Beers Group, and drilling and mechanised rock excavation technology ...

World leader in the design, development and production of synthetic diamond advanced material solutions Element Six, part of the De Beers Group, and global leader in drilling technology solutions ...

A Clarion County-based company has received the go-ahead to construct an underground limestone mine in Deemston. The state Department of Environmental Protection on Jan. 21 approved a permit for ...