Tianhe Oil Group is an integratedcorporation engaged in petroleum equipment design, manufacture,sale, rental, and maintenance, oil engineering services andoilfield exploration and development.Tianhe Oil Group has 5 businessscopes throughout 50 countries and regions asfollows:1ãDrilling Tools Scope:The first scope supports thedesign, manufacture, sale, rental and maintenance of drilling toolssuch as drill pipe, heavy weight drill pipe, drill collar, kelly,stabilizers, downhole motors, jars, absorbers, fishing tools,milling tools and valves etc.2ãRigs and Offshore Services Scope:This division supports thedesign, manufacture, sale, rental, maintenance and otherengineering services for skid-mounted rigs, mobile drilling rigs,workover rigs, offshore drilling platforms and platformcranes etc.