CNPC
Machines for the drilling of oil and gas wells, namely, floating and non-floating drilling rigs; Oil refining machines, namely, oil separators; Machines for oil production and refining, namely, oil-well pumping machines; Petrochemical machines for petroleum exploitation and refining, namely well drilling machines; Oil well drilling machines, namely, oil drilling rigs; Special mud pumps for the petroleum industry; Rinsing machines, namely washing machines for the petroleum industry; Mine worki...
Registered · May 9, 2005 · 79019139 ·