Guizhou Sinodrills Equipment Co., Ltd. , also named DVY International, is a Chinese professional supplier and exporter of rock drilling tools for mining, quarrying, tunnelling and well drilling. Our products mainly cover the following fields:
--Tools for hand-held rock drills: tapered chisel bits, tapered cross bits, tapered button bits, tapered drill rods, integral drill rods, etc.
--DTH (down the hole) hammers and bits, drill rod, drill tube, drill pipe, casing steel, ODS (ODEX-pilot bit, ...
--Tools for hand-held rock drills: tapered chisel bits, tapered cross bits, tapered button bits, tapered drill rods, integral drill rods, etc.
--DTH (down the hole) hammers and bits, drill rod, drill tube, drill pipe, casing steel, ODS (ODEX-pilot bit, ...
China