Beichen Road, Dezhou, Shandong, China,253500
 We follow the business philosophy of "customer first,honesty, innovation and development, harmony win-win" hasalways been unswervingly carry forward "cooperative, practical,efficient innovative" spirit enterprise. Our businessachieved a rapid has widely recognized by theindustry become major force in China's ...
down-hole motor, mwd/lwd, pdc drill bit, drilling instrument, tool joint , mud pump, well control equipment , drill rig parts, cementing tools , completing tools, tubing .