Guizhou Sinodrills Equipment Co.,Ltd.  

We, DVY INTERNATIONAL(SINO DRILLS), are one famous professional supplier and exporter for rock drilling equipments. Our products mainly cover the following fields:

-- DTH (down the hole) hammers and bits, drill rod, drill tube, drill pipe, casing steel, ODS(ODEX-pilot bit, guide device, reamer);

--Top hammers drilling equipments: shank adapters, coupling sleeves, extension rods, button bits, chisel bit, cross bits, tapered bits, thread bits, integral drill rods, tapered drill rods, speed rods, drill tube, and so on;

--Drag bits: step and chevron type;

--Diamond core drilling tools: diamond core bits, reaming shells, etc;

Besides, we ensure the soonest delivery time and attractive prices with satisfactory performance, which is the most advantageous for us. We are sincerely looking forward to your early reply and further cooperation with you.