We have the most advanced high air pressure DTH hammer in China; all kinds of DTH bits, eccentric drilling equipments for simultaneous drilling and casing through overburden and loose rock formations; all kinds of threaded drilling bits; shank adapters and coupling sleeves; all kinds of tool joints and drill pipes, spare parts for drill rig. All products are interchangeable with various products manufactured by Sandvik, Ingersoll-Rand, Atlas Copco etc, all our products are widely used in mining, tunneling, quarrying, construction, and civil engineering project.