China Plug Valve Suppliers, Manufacturers, Factory - Customized Drive Shaft Gear Wholesale

Thread End Heavy Weighted Drill Pipe, Size 4Inch, Material G105,Thread End Type NC40, API Standard

NC46 Heavy Weighted Drill Pipe, Size 4 1/2Inch, Thread End Type NC46, Material AISI 4145H, API Standard

NC50 Heavy Weighted Drill Pipe, Size 5Inch, Thread End Type, Material G105, API Standard

NC50 Heavy Weighted Drill Pipe, Size 5Inch, Thread End Type, Material G105, API Standard

G105 Heavy Weighted Drill Pipe, Size 5 1/2Inch, Thread End Type, Material G105, 5 1/2 FH THREAD END, API Standard

S135 Heavy Drill Pipe, Thread End Type NC38,API Spec 7 Standard Weighted Drill Pipe, Size 3 1/2Inch, Material G105