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API 11B Sucker Rod Couplings

Sucker rod coupling Type: Full size coupling, Slime hole coupling, Sub-coupling Specification: 5/8”, 3/4”, 7/8”, 1”, 1-1/8” Grade: T, SM




1.Introduction of tubing and casing coupling

The coupling is connector of tubing or casing.


2.Property of material


Tianjin Soright is one of the largest api 11b sucker rod couplings manufacturers and suppliers in China, who can offer you the free sample and the quotation consultation service. Welcome to buy the low price and high quality products made in China from us.

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