Gold Member Since 2010
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Puyang Zhongshi Group Co., Ltd.

Sucker Rod Coupling, Polished Rod Coupling, Sub Coupling manufacturer / supplier in China, offering Oilfield Sucker Rod Coupling, Polished Rod Coupling, Sub Coupling, Valve Pair API Titanium Carbide Valve Ball & Valve Seat, API 11ax Pump Parts Valve Pair Valve Ball and Seat and so on.

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Supplier Homepage Product Casing accessories Oilfield Sucker Rod Coupling, Polished Rod Coupling, Sub Coupling

Oilfield Sucker Rod Coupling, Polished Rod Coupling, Sub Coupling

Purchase Qty.:
50-499 500+
FOB Unit Price: US $50 US $2
Purchase Qty. (Pieces) FOB Unit Price
50-499 US $50
500+ US $2
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Port: Qingdao, China
Production Capacity: 10000piece/Month
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: Coupling
  • Structure: Metal Bellows
  • Material: Carbon Steel
  • Certification: API Spec 11b
  • Diameter Type: Sh(Slim Hole), Fs(Full Size)
  • Trademark: Zhongshi
  • Specification: API, ISO
  • HS Code: 8431
  • Connection: Flange
  • Flexible or Rigid: Rigid
  • Standard: Standard
  • Grade/Class: Class T, Spray Metal
  • Use: Oil Production Accessories
  • Transport Package: Standard Export Package, Wooden Case
  • Origin: Henan, China
Product Description
Product Description

Oilfield Sucker Rod Coupling,Polished Rod Coupling,Sub Coupling
1)  Basic Material: AISI5140(high quality carbon steel)
2)  Coat Material: Ni60A Alloy Coating
3) Coat  thickness: 0.010in-0.020in
4) Standard: API Spec11B
5) Type: full size(FS) and slim hole(SH)
6)  Grade/Class: T and SM(spray metal)
7) Description
Onr sucker rod coupling is processed by a few fabrication procedures, such as, blanking, drilling hole, boring hole, milling, thread tapping, and so on. At the last step, do the surface treatment. The surface treatment includes black coating, phosphating or as per the customers requirement. Besides, it has good anticorrosion and anti-friction property. 
8) Parameter

gradeO.D(mm)Minimum lengh(mm)HardnessWeight(kg)Standard
3/4"19-T41.05~41.43101.6~103.1756-62HRA0.65API 11B
7/8"22-T45.75~46.1345.75~46.1356-62HRA0.8API 11B
1"25-T55.35~55.7355.35~55.7312-23HRA1.15API 11B

Company Information

Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. 
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001, etc..  
Our  products mainly include: 
1. Casing Centralizer                          2.  Float Collar & Float Shoe 
3. Cementing Plug                              4.  Cementing Head
5.  Cement Basket                              6.  Tubing Pump / Rod Pump
7.  Valve Ball & seat                            8. Casing / Tubing Pipe and Coupling
9. Stage Collar                                    10. Pumping Unit
11. Air Blaster                                      12.  Sucker Rod
Our group have more than 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.  Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.

Contact Us


Add: 5th community, Zhongyuan Oilfield, Puyang, China

Tel: 0086-371-87096211 / 15838304721

Fax: 0086-371-87096212


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