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5/8'', 3/4'', 7/8'', 1'', 1 1/8''api 11b Polished Rod Coupling Sucker Rod Coupling

5/8'', 3/4'', 7/8'', 1'', 1 1/8''api 11b Polished Rod Coupling Sucker Rod Coupling

5/8'', 3/4'', 7/8'', 1'', 1 1/8''api 11b Polished Rod Coupling Sucker Rod Coupling

5/8'', 3/4'', 7/8'', 1'', 1 1/8''api 11b Polished Rod Coupling Sucker Rod Coupling

5/8'', 3/4'', 7/8'', 1'', 1 1/8''api 11b Polished Rod Coupling Sucker Rod Coupling

5/8'', 3/4'', 7/8'', 1'', 1 1/8''api 11b Polished Rod Coupling Sucker Rod Coupling

5/8'', 3/4'', 7/8'', 1'', 1 1/8''api 11b Polished Rod Coupling Sucker Rod Coupling

US$ 2 / Piece

1 Piece(MOQ)

After-sales Service: Yes

Warranty: 1 Year

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Alloy

Dongying Zhaoxin Industry and Trade Co, Ltd.

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

US$ 2 / Piece

1 Piece(MOQ)

After-sales Service: Yes

Warranty: 1 Year

Manufacturing Process: Casting

Surface Treatment: Galvanized

Material: Alloy

Packing: Wooden Case

Dongying Zhaoxin Industry and Trade Co, Ltd.

Artificial Lift Polished Rods and Polished Rod Coupling

Artificial Lift Polished Rods and Polished Rod Coupling

Artificial Lift Polished Rods and Polished Rod Coupling

Artificial Lift Polished Rods and Polished Rod Coupling

Artificial Lift Polished Rods and Polished Rod Coupling

Artificial Lift Polished Rods and Polished Rod Coupling

Artificial Lift Polished Rods and Polished Rod Coupling

US$ 150 / Piece

10 Pieces(MOQ)

After-sales Service: After Sale Service

Warranty: 12 Month

Manufacturing Process: CNC Milling

Surface Treatment: Polishing

Operation Pressure: 100 Psi

Material: Alloy

Dongying Zhaoxin Industry and Trade Co, Ltd.

High Quality Guaranteed Customization Grinding Polished Durable New Coupling Rod

High Quality Guaranteed Customization Grinding Polished Durable New Coupling Rod

High Quality Guaranteed Customization Grinding Polished Durable New Coupling Rod

High Quality Guaranteed Customization Grinding Polished Durable New Coupling Rod

High Quality Guaranteed Customization Grinding Polished Durable New Coupling Rod

High Quality Guaranteed Customization Grinding Polished Durable New Coupling Rod

High Quality Guaranteed Customization Grinding Polished Durable New Coupling Rod

US$ 10-80 / Piece

5 Pieces(MOQ)

Standard Or Nonstandard: Nonstandard

Shaft Hole: 8-24

Torque: OEM/ODM/Customized

Bore Diameter: OEM/ODM/Customized

Speed: OEM/ODM/Customized

Structure: Flexible

Tongling Sanyuan Machinery Manufacture Co., Ltd.

API Polished Steel Rods and Couplings Oil Well

API Polished Steel Rods and Couplings Oil Well

API Polished Steel Rods and Couplings Oil Well

API Polished Steel Rods and Couplings Oil Well

API Polished Steel Rods and Couplings Oil Well

API Polished Steel Rods and Couplings Oil Well

API Polished Steel Rods and Couplings Oil Well

US$ 98-880 / Piece

1 Piece(MOQ)

Manufacturing Process: Hot Rolling

Surface Treatment: Polishing

Operation Pressure: Standard

Material: Alloy

Standard: API, ISO

Length: 6.00 8.00 9.50 10.00

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

Oilfield Polished Rods and Couplings

Oilfield Polished Rods and Couplings

Oilfield Polished Rods and Couplings

Oilfield Polished Rods and Couplings

Oilfield Polished Rods and Couplings

Oilfield Polished Rods and Couplings

Oilfield Polished Rods and Couplings

US$ 98-880 / Piece

1 Piece(MOQ)

Manufacturing Process: Hot Rolling

Surface Treatment: Polishing

Operation Pressure: Standard

Material: Alloy

Standard: API, ISO

Size: φ29

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API 11b Class T Sucker Rod and Polished Rod Coupling

API 11b Class T Sucker Rod and Polished Rod Coupling

API 11b Class T Sucker Rod and Polished Rod Coupling

API 11b Class T Sucker Rod and Polished Rod Coupling

API 11b Class T Sucker Rod and Polished Rod Coupling

API 11b Class T Sucker Rod and Polished Rod Coupling

API 11b Class T Sucker Rod and Polished Rod Coupling

US$ 1-10 / Piece

1 Piece(MOQ)

Certification: API 11b

Power Source: Hydraulic

Operation Pressure: Vacuum

Applicable Medium: Crude Oil

Structure: Plug-In

Material: Alloy

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

Sucker Rod Coupling Polished Rod Coupling 11b Class T and Class Sm

Sucker Rod Coupling Polished Rod Coupling 11b Class T and Class Sm

Sucker Rod Coupling Polished Rod Coupling 11b Class T and Class Sm

Sucker Rod Coupling Polished Rod Coupling 11b Class T and Class Sm

Sucker Rod Coupling Polished Rod Coupling 11b Class T and Class Sm

Sucker Rod Coupling Polished Rod Coupling 11b Class T and Class Sm

Sucker Rod Coupling Polished Rod Coupling 11b Class T and Class Sm

US$ 1.5-3 / Piece

10 Pieces(MOQ)

After-sales Service: Online Service

Warranty: 12 Month

Manufacturing Process: Forging

Surface Treatment: Polishing

Operation Pressure: Not Applicable

Material: Alloy

Dongying City Kenli District Jinxiu Petroleum Machinery Co., Ltd

API Oil & Gas Well Accessories Polished & Sucker Rod (String) Coupling

API Oil & Gas Well Accessories Polished & Sucker Rod (String) Coupling

API Oil & Gas Well Accessories Polished & Sucker Rod (String) Coupling

API Oil & Gas Well Accessories Polished & Sucker Rod (String) Coupling

API Oil & Gas Well Accessories Polished & Sucker Rod (String) Coupling

API Oil & Gas Well Accessories Polished & Sucker Rod (String) Coupling

API Oil & Gas Well Accessories Polished & Sucker Rod (String) Coupling

US$ 3-38 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Polished Rod Connection

Hardness: 56-62

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Class Sm Polished Rod Coupling & Class T Sucker Rod Coupling

API Class Sm Polished Rod Coupling & Class T Sucker Rod Coupling

API Class Sm Polished Rod Coupling & Class T Sucker Rod Coupling

API Class Sm Polished Rod Coupling & Class T Sucker Rod Coupling

API Class Sm Polished Rod Coupling & Class T Sucker Rod Coupling

API Class Sm Polished Rod Coupling & Class T Sucker Rod Coupling

API Class Sm Polished Rod Coupling & Class T Sucker Rod Coupling

US$ 2-48 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Polished Rod Connection

Class: Sm, T

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Sm Class Polished Rod and Sucker Rod Coupling

API Sm Class Polished Rod and Sucker Rod Coupling

API Sm Class Polished Rod and Sucker Rod Coupling

API Sm Class Polished Rod and Sucker Rod Coupling

API Sm Class Polished Rod and Sucker Rod Coupling

API Sm Class Polished Rod and Sucker Rod Coupling

API Sm Class Polished Rod and Sucker Rod Coupling

US$ 2-48 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Polished Rod Connection

Class: Sm, T

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Downhole Tools Polished & Sucker Rod (String) Coupling

API Downhole Tools Polished & Sucker Rod (String) Coupling

API Downhole Tools Polished & Sucker Rod (String) Coupling

API Downhole Tools Polished & Sucker Rod (String) Coupling

API Downhole Tools Polished & Sucker Rod (String) Coupling

API Downhole Tools Polished & Sucker Rod (String) Coupling

API Downhole Tools Polished & Sucker Rod (String) Coupling

US$ 3-38 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Polished Rod Connection

Hardness: 56-62

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API 11b Downhole Accessories Sucker Bar & Polished Rod/String Coupling

API 11b Downhole Accessories Sucker Bar & Polished Rod/String Coupling

API 11b Downhole Accessories Sucker Bar & Polished Rod/String Coupling

API 11b Downhole Accessories Sucker Bar & Polished Rod/String Coupling

API 11b Downhole Accessories Sucker Bar & Polished Rod/String Coupling

API 11b Downhole Accessories Sucker Bar & Polished Rod/String Coupling

API 11b Downhole Accessories Sucker Bar & Polished Rod/String Coupling

US$ 3-38 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Sucker Rod Connection

Hardness: 56-62

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Standard T Grade Sucker Rod Couplings for Polished Rod

API Standard T Grade Sucker Rod Couplings for Polished Rod

API Standard T Grade Sucker Rod Couplings for Polished Rod

API Standard T Grade Sucker Rod Couplings for Polished Rod

API Standard T Grade Sucker Rod Couplings for Polished Rod

API Standard T Grade Sucker Rod Couplings for Polished Rod

API Standard T Grade Sucker Rod Couplings for Polished Rod

US$ 1-2 / Piece

1 Piece(MOQ)

Certification: API 11b

Power Source: Hydraulic

Operation Pressure: Vacuum

Applicable Medium: Crude Oil

Structure: Plug-In

Material: Alloy

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

US$ 3-10 / Piece

100 Pieces(MOQ)

After-sales Service: Provide

Warranty: One Year

Certification: ISO 9001:2000, API 11b

Power Source: /

Operation Pressure: /

Applicable Medium: Mud

Dongying Lake Petroleum Technology Co., Ltd.

Med API ISO Oilfield Polished Rods & Couplings

Med API ISO Oilfield Polished Rods & Couplings

Med API ISO Oilfield Polished Rods & Couplings

Med API ISO Oilfield Polished Rods & Couplings

Med API ISO Oilfield Polished Rods & Couplings

Med API ISO Oilfield Polished Rods & Couplings

US$ 98-880 / Piece

1 Piece(MOQ)

Manufacturing Process: Hot Rolling

Surface Treatment: Polishing

Operation Pressure: Standard

Material: Alloy

Standard: API, ISO

Mechanical Properties: RM 965~1195

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Polished Rod Coupling / Couplings for Oil Well

API Polished Rod Coupling / Couplings for Oil Well

API Polished Rod Coupling / Couplings for Oil Well

API Polished Rod Coupling / Couplings for Oil Well

API Polished Rod Coupling / Couplings for Oil Well

API Polished Rod Coupling / Couplings for Oil Well

API Polished Rod Coupling / Couplings for Oil Well

US$ 2-48 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Sucker Rod Connection

Size: φ25

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

Drill Rod Coupling, Metal Polished Rod Coupling, Sucker Rod Coupling

Drill Rod Coupling, Metal Polished Rod Coupling, Sucker Rod Coupling

US$ 5-50 / Piece

50 Pieces(MOQ)

After-sales Service: Online Technical Support

Warranty: One Year After Delivery

Manufacturing Process: Forging

Surface Treatment: Rust-Proof Coating

Operation Pressure: Atmospheric Pressure

Material: Carbon Steel, Alloy Steel

Dongying Oilman Machinery Equipment Co., Ltd.

API 11b Sucker Barrod & Polished Rod/String Coupling

API 11b Sucker Barrod & Polished Rod/String Coupling

API 11b Sucker Barrod & Polished Rod/String Coupling

API 11b Sucker Barrod & Polished Rod/String Coupling

API 11b Sucker Barrod & Polished Rod/String Coupling

API 11b Sucker Barrod & Polished Rod/String Coupling

API 11b Sucker Barrod & Polished Rod/String Coupling

US$ 3-38 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Sucker Rod Connection

Hardness: 56-62

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API 11b Slim Hole Sucker Rod/Pony Rod/Polished Rod Coupling

API 11b Slim Hole Sucker Rod/Pony Rod/Polished Rod Coupling

US$ 5-50 / Piece

50 Pieces(MOQ)

After-sales Service: Online Technical Support

Warranty: One Year After Delivery

Manufacturing Process: Forging

Surface Treatment: Rust-Proof Coating

Operation Pressure: Atmospheric Pressure

Material: Carbon Steel, Alloy Steel

Dongying Oilman Machinery Equipment Co., Ltd.

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

US$ 2-10 / Piece

1 Piece(MOQ)

After-sales Service: 7X24

Warranty: 12months

Manufacturing Process: Forging

Surface Treatment: Polishing

Operation Pressure: No

Material: Alloy

Shandong Light Fir Machinery Equipment Co., Ltd.

Oilfield Sucker Rod Coupling, Polished Rod Coupling, Sub Coupling

Oilfield Sucker Rod Coupling, Polished Rod Coupling, Sub Coupling

Oilfield Sucker Rod Coupling, Polished Rod Coupling, Sub Coupling

Oilfield Sucker Rod Coupling, Polished Rod Coupling, Sub Coupling

US$ 6.36-6.65 / Piece

50 Pieces(MOQ)

Connection: Flange

Structure: Metal Bellows

Flexible or Rigid: Rigid

Material: Carbon Steel

Standard: Standard

Certification: API Spec 11b

Puyang Zhongshi Group Co., Ltd.

API 11b Polished Rod & Sucker Rod/String Connection Coupling

API 11b Polished Rod & Sucker Rod/String Connection Coupling

API 11b Polished Rod & Sucker Rod/String Connection Coupling

API 11b Polished Rod & Sucker Rod/String Connection Coupling

API 11b Polished Rod & Sucker Rod/String Connection Coupling

API 11b Polished Rod & Sucker Rod/String Connection Coupling

API 11b Polished Rod & Sucker Rod/String Connection Coupling

US$ 3-38 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Polished Rod Connection

Hardness: 56-62

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Polished Rod & Sucker String Coupling for Rod Connecting

API Polished Rod & Sucker String Coupling for Rod Connecting

API Polished Rod & Sucker String Coupling for Rod Connecting

API Polished Rod & Sucker String Coupling for Rod Connecting

API Polished Rod & Sucker String Coupling for Rod Connecting

API Polished Rod & Sucker String Coupling for Rod Connecting

API Polished Rod & Sucker String Coupling for Rod Connecting

US$ 3-38 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Polished Rod Connection

Hardness: 56-62

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Polished & Sucker Rod Couplings for Oilfield Rods

API Polished & Sucker Rod Couplings for Oilfield Rods

API Polished & Sucker Rod Couplings for Oilfield Rods

API Polished & Sucker Rod Couplings for Oilfield Rods

API Polished & Sucker Rod Couplings for Oilfield Rods

API Polished & Sucker Rod Couplings for Oilfield Rods

API Polished & Sucker Rod Couplings for Oilfield Rods

US$ 2-48 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Material: Cast Steel

Usage: Sucker Rod Connection

Packing: Standard Export Packing

Standard: 3/4" --- 1", or as required

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Sucker Rod & Polished Rod Couplings for Oil Well

API Sucker Rod & Polished Rod Couplings for Oil Well

API Sucker Rod & Polished Rod Couplings for Oil Well

API Sucker Rod & Polished Rod Couplings for Oil Well

API Sucker Rod & Polished Rod Couplings for Oil Well

API Sucker Rod & Polished Rod Couplings for Oil Well

API Sucker Rod & Polished Rod Couplings for Oil Well

US$ 2-48 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Material: Cast Steel

Usage: Polished Rod Connection

Materials: AISI5140 (High Quality Carbon Steel )

Type: Full Size and Slim Hole

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Polished and Sucker Rod Couplings for Oil and Gas

API Polished and Sucker Rod Couplings for Oil and Gas

API Polished and Sucker Rod Couplings for Oil and Gas

API Polished and Sucker Rod Couplings for Oil and Gas

API Polished and Sucker Rod Couplings for Oil and Gas

API Polished and Sucker Rod Couplings for Oil and Gas

API Polished and Sucker Rod Couplings for Oil and Gas

US$ 2-48 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Sucker Rod Connection

Standard: API

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Oil Well Equipment Polished Rod & Coupling Price

API Oil Well Equipment Polished Rod & Coupling Price

API Oil Well Equipment Polished Rod & Coupling Price

API Oil Well Equipment Polished Rod & Coupling Price

API Oil Well Equipment Polished Rod & Coupling Price

API Oil Well Equipment Polished Rod & Coupling Price

API Oil Well Equipment Polished Rod & Coupling Price

US$ 98-880 / Piece

1 Piece(MOQ)

Manufacturing Process: Hot Rolling

Surface Treatment: Polishing

Operation Pressure: Standard

Material: Alloy

Standard: API, ISO

Grade: H D

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

Oilfield Gas Lift API 11b Polished Rod Sucker Rod Coupling Sucker Rod Pump Coupling Rod Pump Coupling Full Size Slim Hole Fs Sm Class T Alloy Steel

Oilfield Gas Lift API 11b Polished Rod Sucker Rod Coupling Sucker Rod Pump Coupling Rod Pump Coupling Full Size Slim Hole Fs Sm Class T Alloy Steel

Oilfield Gas Lift API 11b Polished Rod Sucker Rod Coupling Sucker Rod Pump Coupling Rod Pump Coupling Full Size Slim Hole Fs Sm Class T Alloy Steel

Oilfield Gas Lift API 11b Polished Rod Sucker Rod Coupling Sucker Rod Pump Coupling Rod Pump Coupling Full Size Slim Hole Fs Sm Class T Alloy Steel

Oilfield Gas Lift API 11b Polished Rod Sucker Rod Coupling Sucker Rod Pump Coupling Rod Pump Coupling Full Size Slim Hole Fs Sm Class T Alloy Steel

Oilfield Gas Lift API 11b Polished Rod Sucker Rod Coupling Sucker Rod Pump Coupling Rod Pump Coupling Full Size Slim Hole Fs Sm Class T Alloy Steel

Oilfield Gas Lift API 11b Polished Rod Sucker Rod Coupling Sucker Rod Pump Coupling Rod Pump Coupling Full Size Slim Hole Fs Sm Class T Alloy Steel

US$ 2-10 / Piece

1 Piece(MOQ)

After-sales Service: 7X24

Warranty: 12months

Manufacturing Process: Forging

Surface Treatment: Polishing

Operation Pressure: No

Material: Alloy

Shandong Light Fir Machinery Equipment Co., Ltd.

API Spray Metal Sm Full Size Fs Polished Rod Coupling

API Spray Metal Sm Full Size Fs Polished Rod Coupling

API Spray Metal Sm Full Size Fs Polished Rod Coupling

API Spray Metal Sm Full Size Fs Polished Rod Coupling

US$ 6.36-6.65 / Piece

10 Pieces(MOQ)

Connection: Flange

Structure: Metal Bellows

Flexible or Rigid: Rigid

Material: Carbon Steel

Standard: Standard

Certification: API Spec 11b

Puyang Zhongshi Group Co., Ltd.

API Grade D H 7/8" 1 1/4" Polished Class D Sucker Rod Pony Rod Norris Sucker Rod with Couplings

API Grade D H 7/8" 1 1/4" Polished Class D Sucker Rod Pony Rod Norris Sucker Rod with Couplings

API Grade D H 7/8" 1 1/4" Polished Class D Sucker Rod Pony Rod Norris Sucker Rod with Couplings

API Grade D H 7/8" 1 1/4" Polished Class D Sucker Rod Pony Rod Norris Sucker Rod with Couplings

API Grade D H 7/8" 1 1/4" Polished Class D Sucker Rod Pony Rod Norris Sucker Rod with Couplings

API Grade D H 7/8" 1 1/4" Polished Class D Sucker Rod Pony Rod Norris Sucker Rod with Couplings

API Grade D H 7/8" 1 1/4" Polished Class D Sucker Rod Pony Rod Norris Sucker Rod with Couplings

US$ 30-50 / Piece

1 Piece(MOQ)

Color: Black

Usage: Fuel

Type: Heavy Crude Oil

Application: Oil Product

Product Name: Ultra High Strength Sucker Rod

Material: Carbon Steel

Shandong Xilong Machinery Equipment Co., Ltd.

API 11b Polished & Sucker Rod Coupling for String Connecting

API 11b Polished & Sucker Rod Coupling for String Connecting

API 11b Polished & Sucker Rod Coupling for String Connecting

API 11b Polished & Sucker Rod Coupling for String Connecting

API 11b Polished & Sucker Rod Coupling for String Connecting

API 11b Polished & Sucker Rod Coupling for String Connecting

API 11b Polished & Sucker Rod Coupling for String Connecting

US$ 3-38 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Polished Rod Connection

Hardness: 56-62

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Oil Field Tools Polished & Sucker Rod (String) Coupling

API Oil Field Tools Polished & Sucker Rod (String) Coupling

API Oil Field Tools Polished & Sucker Rod (String) Coupling

API Oil Field Tools Polished & Sucker Rod (String) Coupling

API Oil Field Tools Polished & Sucker Rod (String) Coupling

API Oil Field Tools Polished & Sucker Rod (String) Coupling

API Oil Field Tools Polished & Sucker Rod (String) Coupling

US$ 3-38 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Polished Rod Connection

Hardness: 56-62

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

Oil Well Polished Steel Rod and Coupling

Oil Well Polished Steel Rod and Coupling

Oil Well Polished Steel Rod and Coupling

Oil Well Polished Steel Rod and Coupling

Oil Well Polished Steel Rod and Coupling

Oil Well Polished Steel Rod and Coupling

Oil Well Polished Steel Rod and Coupling

US$ 98-880 / Piece

1 Piece(MOQ)

Manufacturing Process: Hot Rolling

Surface Treatment: Polishing

Operation Pressure: Standard

Material: Alloy

Standard: API, ISO

Length (M): 6.00 8.00 9.50 10.00

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API 11b Oil Field Polished Rod Couplings and Rods

API 11b Oil Field Polished Rod Couplings and Rods

API 11b Oil Field Polished Rod Couplings and Rods

API 11b Oil Field Polished Rod Couplings and Rods

API 11b Oil Field Polished Rod Couplings and Rods

API 11b Oil Field Polished Rod Couplings and Rods

API 11b Oil Field Polished Rod Couplings and Rods

US$ 2-48 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Sucker Rod Connection

Packing: Standard Export Packing

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

Grade T, Sm (spray metal) Coupling for Sucker Rods, Polished Rods, Pony Rods API 11b Standard

Grade T, Sm (spray metal) Coupling for Sucker Rods, Polished Rods, Pony Rods API 11b Standard

Grade T, Sm (spray metal) Coupling for Sucker Rods, Polished Rods, Pony Rods API 11b Standard

Grade T, Sm (spray metal) Coupling for Sucker Rods, Polished Rods, Pony Rods API 11b Standard

Grade T, Sm (spray metal) Coupling for Sucker Rods, Polished Rods, Pony Rods API 11b Standard

Grade T, Sm (spray metal) Coupling for Sucker Rods, Polished Rods, Pony Rods API 11b Standard

Grade T, Sm (spray metal) Coupling for Sucker Rods, Polished Rods, Pony Rods API 11b Standard

US$ 1.5-3 / Piece

10 Pieces(MOQ)

After-sales Service: Online Services

Warranty: One Year

Manufacturing Process: Forging

Surface Treatment: Spray Welding

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Dongying City Kenli District Jinxiu Petroleum Machinery Co., Ltd

Sucker Rod Coupling Polished Rod Coupling API 11b Class T and Class Sm

Sucker Rod Coupling Polished Rod Coupling API 11b Class T and Class Sm

Sucker Rod Coupling Polished Rod Coupling API 11b Class T and Class Sm

Sucker Rod Coupling Polished Rod Coupling API 11b Class T and Class Sm

Sucker Rod Coupling Polished Rod Coupling API 11b Class T and Class Sm

Sucker Rod Coupling Polished Rod Coupling API 11b Class T and Class Sm

Sucker Rod Coupling Polished Rod Coupling API 11b Class T and Class Sm

US$ 2-10 / Piece

1 Piece(MOQ)

After-sales Service: 7X24

Warranty: 12months

Manufacturing Process: Forging

Surface Treatment: Polishing

Operation Pressure: No

Material: Alloy

Shandong Light Fir Machinery Equipment Co., Ltd.

API Spray Metal Slim Hole Sm Sh Polished Rod Coupling

API Spray Metal Slim Hole Sm Sh Polished Rod Coupling

API Spray Metal Slim Hole Sm Sh Polished Rod Coupling

API Spray Metal Slim Hole Sm Sh Polished Rod Coupling

US$ 6.36-6.65 / Piece

1 Piece(MOQ)

Standard: API, ISO

Grade/Class: Spray Metal

Diameter Type: Sh(Slim Hole)

Material: AISI5140

Packing: Plywood Case

Port: Qingdao

Puyang Zhongshi Group Co., Ltd.

API Sh/Sm Polished Rod (String) Coupling

API Sh/Sm Polished Rod (String) Coupling

API Sh/Sm Polished Rod (String) Coupling

API Sh/Sm Polished Rod (String) Coupling

API Sh/Sm Polished Rod (String) Coupling

API Sh/Sm Polished Rod (String) Coupling

API Sh/Sm Polished Rod (String) Coupling

US$ 3-38 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Sucker Rod Connection

Hardness: 56-62

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API 11b Oilfield Polished Rod and Sucker Rod (String) Coupling

API 11b Oilfield Polished Rod and Sucker Rod (String) Coupling

API 11b Oilfield Polished Rod and Sucker Rod (String) Coupling

API 11b Oilfield Polished Rod and Sucker Rod (String) Coupling

API 11b Oilfield Polished Rod and Sucker Rod (String) Coupling

API 11b Oilfield Polished Rod and Sucker Rod (String) Coupling

API 11b Oilfield Polished Rod and Sucker Rod (String) Coupling

US$ 3-38 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Sucker Rod Connection

Grade: 19-T, 19-T, 25-T

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

Oilfield Sucker Rod and Polished Rod Couplings for Oil & Gas Well

Oilfield Sucker Rod and Polished Rod Couplings for Oil & Gas Well

Oilfield Sucker Rod and Polished Rod Couplings for Oil & Gas Well

Oilfield Sucker Rod and Polished Rod Couplings for Oil & Gas Well

Oilfield Sucker Rod and Polished Rod Couplings for Oil & Gas Well

Oilfield Sucker Rod and Polished Rod Couplings for Oil & Gas Well

Oilfield Sucker Rod and Polished Rod Couplings for Oil & Gas Well

US$ 2-48 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Sucker Rod Connection

Standard: API Spec 11b

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Downhole Tool Polished and Sucker Rod Couplings for Oil Well

API Downhole Tool Polished and Sucker Rod Couplings for Oil Well

API Downhole Tool Polished and Sucker Rod Couplings for Oil Well

API Downhole Tool Polished and Sucker Rod Couplings for Oil Well

API Downhole Tool Polished and Sucker Rod Couplings for Oil Well

API Downhole Tool Polished and Sucker Rod Couplings for Oil Well

API Downhole Tool Polished and Sucker Rod Couplings for Oil Well

US$ 2-48 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Sucker Rod Connection

Standard: API Spec 11b

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API 11b Sucker Rod Coupling Polished Rod Coupling for Sale

API 11b Sucker Rod Coupling Polished Rod Coupling for Sale

API 11b Sucker Rod Coupling Polished Rod Coupling for Sale

API 11b Sucker Rod Coupling Polished Rod Coupling for Sale

API 11b Sucker Rod Coupling Polished Rod Coupling for Sale

API 11b Sucker Rod Coupling Polished Rod Coupling for Sale

API 11b Sucker Rod Coupling Polished Rod Coupling for Sale

US$ 2-10 / Piece

1 Piece(MOQ)

After-sales Service: 7X24

Warranty: 12months

Manufacturing Process: Forging

Surface Treatment: Polishing

Operation Pressure: No

Material: Alloy

Shandong Light Fir Machinery Equipment Co., Ltd.

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

API 11b Sucker Rod Coupling Polished Rod Coupling

US$ 2-10 / Piece

1 Piece(MOQ)

After-sales Service: 7X24

Warranty: 12months

Manufacturing Process: Forging

Surface Treatment: Polishing

Operation Pressure: No

Material: Alloy

Shandong Light Fir Machinery Equipment Co., Ltd.

API 11b Petroleum Equipment Oilfield Sucker and Polished Rod Couplings

API 11b Petroleum Equipment Oilfield Sucker and Polished Rod Couplings

API 11b Petroleum Equipment Oilfield Sucker and Polished Rod Couplings

API 11b Petroleum Equipment Oilfield Sucker and Polished Rod Couplings

API 11b Petroleum Equipment Oilfield Sucker and Polished Rod Couplings

API 11b Petroleum Equipment Oilfield Sucker and Polished Rod Couplings

API 11b Petroleum Equipment Oilfield Sucker and Polished Rod Couplings

US$ 3-38 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Sucker Rod Connection

Vanish Cone: 90

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Polished Rod and Sucker Bar (String) Coupling Grade T

API Polished Rod and Sucker Bar (String) Coupling Grade T

API Polished Rod and Sucker Bar (String) Coupling Grade T

API Polished Rod and Sucker Bar (String) Coupling Grade T

API Polished Rod and Sucker Bar (String) Coupling Grade T

API Polished Rod and Sucker Bar (String) Coupling Grade T

API Polished Rod and Sucker Bar (String) Coupling Grade T

US$ 3-38 / Piece

1 Piece(MOQ)

Manufacturing Process: Casting

Surface Treatment: Galvanized

Operation Pressure: Atmospheric Pressure

Material: Cast Steel

Usage: Sucker Rod Connection

Hardness: 56-62

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API 11b Grade T Slim Hole Polished Rod Coupling

API 11b Grade T Slim Hole Polished Rod Coupling

API 11b Grade T Slim Hole Polished Rod Coupling

API 11b Grade T Slim Hole Polished Rod Coupling

API 11b Grade T Slim Hole Polished Rod Coupling

US$ 6.36-6.65 / Piece

10 Pieces(MOQ)

Standard: API, ISO

Grade/Class: Class T

Diameter Type: Sh(Slim Hole)

Material: AISI 5140

Packing: Plywood Case

Port: Qingdao

Puyang Zhongshi Group Co., Ltd.

Polished Rod & Coupling API Spec 11b

Polished Rod & Coupling API Spec 11b

Polished Rod & Coupling API Spec 11b

Polished Rod & Coupling API Spec 11b

Polished Rod & Coupling API Spec 11b

Polished Rod & Coupling API Spec 11b

Polished Rod & Coupling API Spec 11b

US$ 98-880 / Piece

1 Piece(MOQ)

Manufacturing Process: Hot Rolling

Surface Treatment: Polishing

Operation Pressure: Standard

Material: Alloy

Standard: API, ISO

Length (M): 6.00 8.00 9.14

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

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