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...