87144. 34231. 87110. 34231. 87144. 32220. 87110. Complete OFO Version 2017 OFO Code Description 2017-1 MANAGERS Managers plan, direct, coordinate and evaluate the overall activities of enterprises, governments and other organizations, or of organizational units within them, and formulate and review their policies, laws, rules and regulations.
GN Solids Control manufacture equipment for Oil Gas drilling mud solids control system,HDD(Horizontal Directional Drilling) mud reycling System,mining and industrial slurry sepration.GN Solids Control system are wildly used for both onshore and offshore oilfield drilling rig,HDD drilling rig.