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Wire Line Wellhead Blowout Hookup-Application in Huainan Area
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Slim Hole Testing Tools-Field Application in Daqing Oil Field
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Carrier System for Electronic Pressure Gauge-Application in Bohai Subsea Oil Field
Formation Tester
Packer
Hydraulic Hold-down Joint
Jar
Carrier for Pressure Gauge
Reversing Valve
Screen Pipe and Slotted Tail Pipe
Open Hole by Pass Valve
Safety Seals
Safety Joint
  [2] 
  Design&Cooperative development of new tools and equipment for oilfield Tool leasing and relevant technical services.
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