Features: 1) All kinds of rock drilling tools for mining, quarry, construction, water well, oilfield and tunneling industries 2) Available: a) Chisel bits, cross bits, button bits, Retrac bits b) DTH hammers and bits, drag bits, tricone bits c) Coupling sleeves d) Tapered drill rods, integral drill rods, shank rods e) Extension rods, pneumatic breaker steel rods f) Tungsten carbide inserts and buttons g) Diamond blades, diamond wire saws, diamond segments, diamond core drill bits h) Reaming shells, PDC bits i) Rock drills, pneumatic breaker drills j) Crushers, drill rigs