Founded in 2007, owns a full range of drilling tool product lines, main equipments of deep-hole drilling and boring machine, ordinary lathe, the heat treatment product lines of intermediate frequency, spiral milling machine tools, CNC pipe threading lathes, the imprint of milling machines and etc. The company has established a specil testing center equiped with advanced delicate testing equipments. We have got ISO9001-2008 Certification and the authorization of using the symbol of API. Our main products are drill collars, spiral drill collars, non-magnetic drill collars, integral heavy weight drill pipes, stabilizers, cross-over subs, kelly and lifting subs, etc.