Place of Origin: Shandong China (Mainland)
Brand Name: yunsheng
Type: Stabilizer
Machine Type: Drilling Equipment

       Company .Yantai yunsheng Petroleum Machine Accessories Co.,Ltd

       Brief:  Our company mainly manufactures sucker rod couplings,including Class  SM, Class T  ,Class UHS. Full size and Slim hole.We own the advanced technology and the alloy coat abrasion-proof  sucker rod coupling  reaches the top level in the world.Our company hasobtained  the ISO 9001 International Quality Management  Certificate and API SPEC 11 B  Certificate.

      Principle: We continue the carry on the spirit of being sincere ,diligent and innovative to offer high quaility products and the excellent service.

1)Type: SM  sub sucker rod  coupling

2)New: Both-way Protection Globoidal Coupling Full size SM coupling with big chamfer

3)Material: High quality Carbon steel AISI 5I40

4)Coating:Spray Material Ni60A Alloy Coating

5)Basic Hardness: HRC 16-23

6)Surface Hardness: HRC 55-62

7)Hole rate: 2%

8)Min. Hardness of the layer: 595HV0.2

9)Standard: API Spec 11B

If  any  items  you are  interestd in ,please connect us freely .We will satisfy  your requirment  at  any time.