Detail: Alloy Steel Wireline Drill Rod Tube Casing Tubes Core Tubes ( BW, NW, HW) Our drill rods are all manufactured by CNC machines. They' re made of high quality alloy steel.All our drill....
Sinocoredrill Group Co., Ltd is a Chinese specialist of Geological Exploration tools Manufactory and supplier which is ISO 9001-2008 certified.Also Sinocoredrill& nbs
Detail: Specifications: Diamond surface bit 1.export experience, leading manufacture 2.best price high quality 3.good feedback 4.ISO9001 certificate Natural diamond surface set bits ....