API Spec Non magnetic Drill Collar--Oil and gas equipment
Min. Order: 1 Piece/Pieces
1.Low carbon steel,stainless steel
2.First-class...
2.First-class...
oilfield and gas exploring pdc oil drilling bit
Min. Order: 1 Piece/Pieces
oilfield pdc drill bit
1.Hard-facing...
1.Hard-facing...
API 3-Wings Step Drag Bits/Alloy Steel Drag Bits/Tungsten Carbide Drag Bit
Min. Order: 1 Piece/Pieces
1\Quick Details
Place of Origin: China (Mainland) Brand...
Place of Origin: China (Mainland) Brand...
