We are KSQ Technologies (Beijing) Co. Ltd., a company that provides the high quality and cost effective MIROC Rock Drilling that serve mining, construction, tunneling and quarry projects around the world. Our MIROC Rock Drilling Tools product line is the result of years of advanced engineering, precision manufacturing and dedication to the use of high quality materials. We has adopted advanced manufacturing processes to ensure high quality steels and tungsten carbides for its rock drilling accessories. Main Products: 1. Integral Drill Rods, Plug Hole Rods Shank H22x108mm, H19x108mm, standard hex. Bit diameters include 29-40mm. 2. Tapered Drilling Tools - ( 7, 11, 12 degree taper) Taper Rod -Shank H22x 108mm, Shank H25x159mm( 7, 11, 12 degree taper)in most lengths. Taper Bit- Button bits, Cross bits and Chisel bits with (7, 11, 12 degree taper). Bit diameter: 28mm-41mm. 3. Threaded Rock Drilling Tools - (Threaded H25,R25, R28, R32, R38, T38, T45, T51, ST58) Drill Bit: Button Bit, Reaming Bit, Cross Type Bit, Retrac Button Bit Tungsten carbide (Buttons): Spherical, Ballistic. Couplings Sleeves- R25, R28,R32, R38,T38, T45, T51 Shank Adapters 4. DTH hammers and DTH bits (Down The Hole Drilling) KSQ Technologies(Beijing) Co. Ltd provides exceptional technical know-how in development, production, and application.Its personnel understand clients' drilling needs, and have the service skills to recommend the right drilling for the job. Furthermore,the company's development team introduces innovative products each year tools that are rigorously tested in the field and proven to perform beyond industry expectations. Please visit our website http://www.ksq-tech.com or our showroon in Made-In-China.com (http://ksq101216.en.made-in-china.com) for more information.If you find any item to be interested to you, please feel free to contact. Skype: alice.zhang1106, Phone: 86-10-89787585