China Pump Sucker Rod Producer Offers High Strength Sucker Rod for Oil Well, AISI 4130 Steel, API Spec 11B Gr.C, Length 9.14 Meters, 5/8 Inch, Black.
China AISI 4330 Oilfield Sucker Rod Producer Landee Provides AISI 4330 Steel Oilfield Sucker Rod, API Spec 11B Grade C, L 7.62 Meters, 7/8 Inch, Black.
China AISI 4138 Welding Sucker Rod Manufacturer Landee Offers AISI 4138 Welding Sucker Rod, API Spec 11B Grade C, 1-1/4 Inch, 8 Meters, Black Surface.