SunFen company is a professional manufacturer of rock drilling tools (consumables for Mining, Quarrying, Tunneling, Construction Industries etc.) as we are one of the key Rock Drill Tools makers in China.; 
We are exporting the following products:
--Rock Drilling Tools: Extension Drill Rods, Integral Drill Rods, Taper Rods, Breaker Tools
(Pneumatic Drill Rods), Chisel/Cross/Button/DTH Bits, Coupling Sleeves, Shank Adaptors.