Chinese brand down-the-hole drill factory address

Jiucaiyuan road, Furong District, Changsha, Hunan,China Worktime: 9:00-6:00 (Beijing time) Business Phone : 86-731-85551632 (Working time) 86-731-85551632 (Nonworking time) FAX : 86-731-85551635 Email : [email protected] View More >> [pdf]

Australian tunnel drilling machine manufacturer

Incorporated in Australia in 1990, Terratec is the world’s leading designer and manufacturer of Tunnel Boring Machines, Raise Boring Machines and other custom-engineered products for the tunnelling and mining industries, encompassing all ground conditions and boring diameters from 0.6m to 15m. [pdf]

China Tunnel Rock Drilling Machine Parameters

Compared with the drill and blast method, TBM tunnelling has significant advantages with high construction efficiency, low project cost, conducive to environmental protection, favorable stability contr. [pdf]