drill collar material
(
2
)
Oilfield Non-magnetic
Drill
Collar
--Oil
drill
ing
material
s
Price :
Negotiable
Min.order :
2 Pieces
Contact Now
plastic & metal composite
material
made
drill
pipe &
drill
collar
wrap frames/ packing frames
Price :
Negotiable
Min.order :
10 Sets
Contact Now
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