Our company is a leading manufacturer of various Rock Drilling Tools in China, which are widely used in Mines, Qarries, Tunnelling, Foundation Piling, Water-well drilling, etc. And our products have been exporting to over twenty countries. Our main exporting products are as follows: 1. Top Hammer Rock Drilling Products: Tapered or threaded chisel bit, Button bit, Cross bit, X type bit, Retrack bit and Reaming bit. Tapered rod, Integral steel, Coupling, Shank adapter etc 2. DTH Rock Drilling Products: Conventional DTH hammer and bit Concentric Overburden Drilling products Eccentric Overburden Drilling System ( ODEX or TUBEX system ) 3. Rotary Drilling Products: Tricone Bits Drag bit Auger bit PDC bit for bolting hole drilling in coal mine Diamond Thin Wall core bit Diamond drilling tools such as Impregnated, surface set diamond bit, reaming shell and casing shoe etc. 4. Other Products: Self - Drilling Injection Bolt and accessories Shotcrete Machine and Accelerator Hand-Held Rock Drill, Air-leg Rock Drill, Paving Breaker and Chipping hammer etc The tungsten carbide of percussive drilling bit and diamond core bit are manufactured by up-dated technology from Sandvik and Atlas Copco. And our equipments are advanced up-to-date. We also have rigid quality control system to assure the consistent quality of every products. For more information, please visit our website xxxxx ! And we shall be glad to make you offers upon receipt of your specific requirements.