DVY International is a specialist supplier of all kinds of rock drilling tools for mining, quarry, oilfield and construction industries based in China. The products are including chisel bits, cross bits, button bits, retrac bits, dth hammers & bits, drag bits, tricone bits, coupling sleeves, tapred drill rods, integral drill rods, shank adaptors, diamond blades, diamond segments, diamond wire saws, diamond core drill bits, rock drills, drill rigs, drilling equipment for oilwells, crushers, cement machinery, etc.

For further information, please contact us by sending fax to +86-851-5119639 or email to sales@sinodrills.com / dvyintl@yahoo.com.cn http://www.sinodrills.com