API Spec 11
BOIL DRILLING STABILIZERS, SUCKER ROD COUPLING
PROFESSIONAL MANUFACTURER
EXCELLENT QUALITY&REASONABLE PRICE

Yantai Yunsheng Petroleum Machine Accessories Co., Ltd, founded in 1997, is a professional manufacturer of API 11B sucker rod couplings, including Spray Metal coupling, class T coupling, Altra High Strength,Sub OD coupling, with various spec. of Full size, Slim Hole, grand chamfer, Two-way camber, etc. to produce API 11B sucker rod.

     The SPRAY METAL sucker rod coupling is processed with some special technology, coated a layer of abrasion-proof, wear-proof and lessening friction coat. It can’t only protect itself but also the rod, preventing and slowing down the wear. The coupling has many types and sizes, and it is made of good quality steel alloy 40cr.It has three functions : wear proof, corrosion-resisting and reducing the friction.

5/8' Class SM sucker rod coupling

7/8' Class SM sucker rod coupling

1'Class SM sucker rod coupling

1-1/8' CLass SM sucker rod couplings

SUB OD sucker rod coupling

WELCOME TO CONTACT ME FOR FURTHER INFORMATION!