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Export DepartmentPinkey zhangPhone: /86 - 15803333707
Zhangjiakou CGE GEO-Machinery co.,ltdChinaWeb Page Link: http://www.toboc.com/zhangjiakoucgegeomachinerycoltd
Steel sucker rod is one of major equipment for oilfield. Grade C ,Grade D, and Grade K sucker rods are our main products producing in accordance with API 11B.Grade C sucker rod is made of fine carbon steel SSYD-1(equivalent to AISI 1526 ).It is suitable for sour medium environment .Grade D sucker r
Coupling ,sub-coupling ,polished rod coupling are designed in accordance with API SPEC 11B and made of fine carbon-steel or alloy steel(equivalent to AISI 1526 or AISI 4135).Normally, they have two wrenches one the outside diameter but they also can be providing in no wrench when required by user.