Yantai Yunsheng Petroleum Machine Accessories Co., Ltd

Made in accordance with API 11B, the couplings are high in quality and reasonable in price. The basic material is AISI 5140. YUNSHENG is the profes

1.professional manufacturer 2.exstrusioncasting thread 3.CNC machining centre 4.accepting little order 5. AISI5140 Sucker Rod Couplings's A

Made in full accordance with API 11B, the couplings are high in quality and reasonable in price. The basic material is AISI 5140 Yantai Yunsheng Pe

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

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

Made in accordance with API 11B, the couplings are high in quality and reasonable in price. The basic material is AISI 5140. YUNSHENG is the profes

SUCKER ROD COUPLING, JOINING SUCKER ROD, GRADE SM,T&SUB, API SPEC 11B, SIZE1-1/8" 1", 7/8", 3/4", 5/8", API APPROVAL PRODUCER

API 11B standard sucker rod coupling 7/8" spray metal full size Manufacturer API Approval Excellent quality&competitive price Yantai Yunshen

API Sucker Rod 1.Standard:API Spec 11B 2.Size: 5/8"-1 1/8" 3.Grade: K, C, D and HL 4.Material: Carbon Steel

1. Grade D 2. Phosphorprocess 3. Wearability enhance 3. Other Grade: C, K, KD 3. Specification as per API 11B 4. Polished rod, pony rod, sinke