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Main products:
The products will be used to upper pan valve complete, lower pan valve, piston, bushing, nozzle of the liquid flow control and automatic push device of vertical drilling tools, flow deflector, vane wheel, vane wheel axle, vane wheel box, nozzle of the self-activated oscillating-rotating impact drilling tools, mushroom head(main valve core), flow limitation ring, flow limitation chamber, nose cap, flow divider, spacer sleeve, pulse hole valve, oscillator of self-activated, upper and lower bearing sleeve and wear sleeve of the pulse generator of MWD and LWD. And nozzle, TC bearing and wear sleeve of the under well tools.



Applications:
The products will mainly be used to the vertical well drilling tools, self-activated oscillating-rotating impact drilling tools and MWD and LWD with the functions of flow diversion, slush and seal of the slurry and feed back of the slurry pressure and pulse signal in the adverse working conditions of high pressure, high speed flushing of sand and slurry, high temperature, fatigue wear, gas and liquid corrosion in oil and natural gas prospecting.