CMAC-THYSSEN Mining Group is : CMAC-THYSSEN Long Hole Drilling Inc. specialize in: Production drilling and blasting; Blasting ... and drilling of inversed raises (up to 65 feet) and drop raises (up to 100 feet); Drilling, installation and cementing of anchoring cables; Service hole drilling: 2'' to 6'' in diameter up to 400 feet in length, using a hydraulic drill; Down-the-hole drilling; 4'' to 8'' in diameter; Installation of cable anchoring in raises; Training in all aspects of mining operations. CMAC-THYSSEN Mining Contractor Inc. specialize in : Surface & underground construction works, Civil engineering large scale project. CMAC-THYSSEN Mining Manufacturer Inc. specialize in design & manufacturing mining equipment. read more