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Beijing Metalwork Petroleum Technology Co; Ltd
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Products
Other Industrial Supplies
Other Industrial Supplies(13)
Other Metallic(1)
Mining Machine(1)
Work Roll
Section Steel roll
Piston Rod
Valve Body
Shaft
Hollow Shaft
Hollow spindle
non-magnetic drill collar
spline shaft
Pipe Mould
drill pipe
Integral Heavy Weight Drill Pipe
Non-magnetic Heavy Weight Drill Pipe