We produce a wide range of mining drill tools including PDC bits,Website:http://www.qianruidrill.com, PDC cutters, diamond core bits, TC bits, oil bits, tricone bits, etc. They are widely used in mining, geological exploration, oil drilling and other industries. All of our products comply with international quality standards and some of them have obtained national patents.  With several years\' efforts, we have established good relationships with many foreign clients in the USA, Russia, India, Australia, the Mid East countries, Europe, etc. We always adhere to \'Striving for Further Development on the Basis of Credibility and Quality\', and customer satisfaction is our eternal pursuit. Welcome your visits to our website and your inquiries. We are sincerely looking forward to cooperating with you.    Whether you are looking for a rock bit, PDC bit, tri-cone bit, tooth bit, specialty bits or blast hole bit Henan Qianrui can help.HenanQianrui is also the source for PDC bits, shot hole bits, left in hole bits as well as hole openers and sub adaptors. From water well bits, tungsten carbide insert bits, geothermal bits, to oil field bits, Henan Qianrui can help. Henan Qianrui also specializes in new/surplus drill bits.