China Welding Sucker Rod Producer Landee Supplies Welding Sucker Rod Made of AISI 4720 Alloy Steel, API Spec 11B Gr.D, Black, Length 8 Meters, 3/4 Inch.
China 4130 Steel Sucker Rod Manufacturer Landee Provides 4130 Steel Sucker Rod, API 11B Grade D, Size 5/8 Inch, Length 8 Meters, Black Painting.
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.