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Chengdu fengyuan science&technology development CO., LTD
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Products
Mining Machine
Mining Machine(20)
Heavy Weight Drill Pipe
Drilling Jar
Fishing Jar & Bumper Sub
Hole Opener
Casing
Kelly Valve
Tubing
Roller Reamer
Drill Pipe
Over Shot
Mud Bump
Taper Tap & Spear
BOP and casing head
Square Kelly
Downhole Motor
Integral Spiral stabilizer
Drill Collar
PDC Bit
Coring Bit
Tricone Bit