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Circulating Sub

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API Certificated Circulating Sub (drilling circulating sub)

API Certificated Circulating Sub (drilling circulating sub)

US $ 10 / Piece FOB
1 Piece (MOQ)
More
Main Products: Float Collar and Float Shoe, Cementing Basket, Stage Collar, Cementing Head
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Audited Supplier
Puyang Zhongshi Group Co., Ltd.

Manufacturer/Factory

Henan, China Since 2010
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Drilling Tool Cable Floater Drilling Mining Rig Crossover Circulating Sub Lift Sub

Drilling Tool Cable Floater Drilling Mining Rig Crossover Circulating Sub Lift Sub

US $ 80-100 / Piece FOB
1 Piece (MOQ)
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Operation Pressure : Atmospheric Pressure
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Dongying Tianrui Petroleum Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2024
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Circulating Sub with Drill Pipe Thread

Circulating Sub with Drill Pipe Thread

US $ 1,200-1,700 / Pieces FOB
1 Piece (MOQ)
More
Main Products: Mud Pump Liner; Mud Pump Piston; Valve Assembly; Cylinder Liner; Bi-Metal Liner; Mud Pump Cylinder
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Audited Supplier
Best-all Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
Chat Now Send Inquiry
High-Performance Downhole Drilling Circulating Sub with Tough Threads

High-Performance Downhole Drilling Circulating Sub with Tough Threads

US $ 250-1,000 / Piece FOB
1 Piece (MOQ)
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Material : Alloy
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Audited Supplier
Mudanjiang Kaidi Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Heilongjiang, China Since 2025
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API 7-1 Circulating Sub with Drill Pipe Thread /Connection/Wear Sub

API 7-1 Circulating Sub with Drill Pipe Thread /Connection/Wear Sub

US $ 250-1,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: API Oilfield Drilling Tools Fishing Tools Downho, Non-Standard OEM Products, Downhole Tools API, Kelly Valve Stabilizer Non-Magnetic Drill Collar, Nickel Based Alloy 925/25cr Offshore Oil Field, Cnooc Products
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Mudanjiang Kaidi Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Heilongjiang, China Since 2025
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API Certificated Circulating Sub (drilling circulating sub)

API Certificated Circulating Sub (drilling circulating sub)

US $ 1,200-1,700 / Pieces FOB
1 Piece (MOQ)
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Material : Cast Steel
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Best-all Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
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Circulating Sub to Provide Fluid Circulation

Circulating Sub to Provide Fluid Circulation

US $ 1,200-1,700 / Pieces FOB
1 Piece (MOQ)
More
Main Products: Mud Pump Liner; Mud Pump Piston; Valve Assembly; Cylinder Liner; Bi-Metal Liner; Mud Pump Cylinder
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Audited Supplier
Best-all Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
Chat Now Send Inquiry
API 7-1 Premium Circulating Sub for Enhanced Drilling Performance

API 7-1 Premium Circulating Sub for Enhanced Drilling Performance

US $ 250-1,000 / Piece FOB
1 Piece (MOQ)
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Manufacturing Process : CNC Milling
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Audited Supplier
Mudanjiang Kaidi Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Heilongjiang, China Since 2025
Chat Now Send Inquiry
Oil Well Drilling Tool API Circulating Crossover Sub

Oil Well Drilling Tool API Circulating Crossover Sub

US $ 1,200-2,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Manufacture of Down hole Tools, Casing, Drill Stem Subs, Stabilizers, Drill Collars, Kellys, Heavy Weight Drill Pipe, Drilling Accident Handling Tools, Kelly Valves, Downhole Motors and Jars
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Audited Supplier
TIANHE OIL GROUP HUIFENG PETROLEUM EQUIPMENT CO., LTD.

Manufacturer/Factory & Trading Company

Heilongjiang, China Since 2009
Chat Now Send Inquiry
API Well Drilling Circulating Side Entry Crossover Lifting Saver Sub

API Well Drilling Circulating Side Entry Crossover Lifting Saver Sub

US $ 80-200 / Piece FOB
1 Piece (MOQ)
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Operation Pressure : Atmospheric Pressure
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Dongying Tianrui Petroleum Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2024
Chat Now Send Inquiry
Oilfield Downhole Tools Multi-Cycle Circulating Subs by Pass Valve

Oilfield Downhole Tools Multi-Cycle Circulating Subs by Pass Valve

US $ 5,000-16,000 / Set FOB
1 Set (MOQ)
More
Main Products: Handling Tools, Solid Control Equipment, Cementing Tools, Drilling Tools, Downhole Tools, API 6A Valve
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Audited Supplier
Shandong Yacheng Petroleum Technology Co., Ltd.

Trading Company

Shandong, China Since 2022
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API 3-1/2 Reg Crossover Subs/Circulating Sub

API 3-1/2 Reg Crossover Subs/Circulating Sub

US $ 500 / Piece FOB
1 Piece (MOQ)
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Manufacturing Process : Casting
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Audited Supplier
Dongying Zhaoxin Industry and Trade Co, Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2022
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Circulating Sub for Wellhead Pipe String and Ground Circulating System Connecting

Circulating Sub for Wellhead Pipe String and Ground Circulating System Connecting

US $ 1,000-1,200 / Piece FOB
1 Piece (MOQ)
More
Main Products: Manufacture of Down hole Tools, Casing, Drill Stem Subs, Stabilizers, Drill Collars, Kellys, Heavy Weight Drill Pipe, Drilling Accident Handling Tools, Kelly Valves, Downhole Motors and Jars
Contact Supplier
Audited Supplier
TIANHE OIL GROUP HUIFENG PETROLEUM EQUIPMENT CO., LTD.

Manufacturer/Factory & Trading Company

Heilongjiang, China Since 2009
Chat Now Send Inquiry
API Circulating Sub Integral Side Entry Saver Sub for Oil Well Drilling

API Circulating Sub Integral Side Entry Saver Sub for Oil Well Drilling

US $ 200-1,000 / Piece FOB
1 Piece (MOQ)
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Surface Treatment : Polishing
Contact Supplier
Audited Supplier
Shandong Yacheng Petroleum Technology Co., Ltd.

Trading Company

Shandong, China Since 2022
Chat Now Send Inquiry
API Oil Drill Pipe Straight Crossover Circulating Lifting Saver Sub

API Oil Drill Pipe Straight Crossover Circulating Lifting Saver Sub

US $ 80-200 / Piece FOB
1 Piece (MOQ)
More
Main Products: Downhole Tool
Contact Supplier
Audited Supplier
Dongying Tianrui Petroleum Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2024
Chat Now Send Inquiry
Good Price Oriented Bent Sub Crossover Circulating Sub

Good Price Oriented Bent Sub Crossover Circulating Sub

US $ 1,200-1,700 / Pieces FOB
1 Piece (MOQ)
More
Manufacturing Process : Forging
Contact Supplier
Audited Supplier
Best-all Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
Chat Now Send Inquiry
Kelly Cross-Over Sub X Over Sub Circulating Sub Saver Sub Downhole Drilling Tools

Kelly Cross-Over Sub X Over Sub Circulating Sub Saver Sub Downhole Drilling Tools

US $ 35-1,568 / Piece FOB
1 Piece (MOQ)
More
Main Products: Manufacture of Down hole Tools, Casing, Drill Stem Subs, Stabilizers, Drill Collars, Kellys, Heavy Weight Drill Pipe, Drilling Accident Handling Tools, Kelly Valves, Downhole Motors and Jars
Contact Supplier
Audited Supplier
TIANHE OIL GROUP HUIFENG PETROLEUM EQUIPMENT CO., LTD.

Manufacturer/Factory & Trading Company

Heilongjiang, China Since 2009
Chat Now Send Inquiry
High-Performance API 7-1 Downhole Circulating Sub with Durable Hammer Union

High-Performance API 7-1 Downhole Circulating Sub with Durable Hammer Union

US $ 250-1,000 / Piece FOB
1 Piece (MOQ)
More
Operation Pressure : Atmospheric Pressure
Contact Supplier
Audited Supplier
Mudanjiang Kaidi Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Heilongjiang, China Since 2025
Chat Now Send Inquiry
Circulating Sub Circulating Head Drilling String Tools

Circulating Sub Circulating Head Drilling String Tools

US $ 1,200-1,700 / Pieces FOB
1 Piece (MOQ)
More
Main Products: Mud Pump Liner; Mud Pump Piston; Valve Assembly; Cylinder Liner; Bi-Metal Liner; Mud Pump Cylinder
Contact Supplier
Audited Supplier
Best-all Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
Chat Now Send Inquiry
High-Quality API J14 Wear Sub and Circulating Sub Components

High-Quality API J14 Wear Sub and Circulating Sub Components

US $ 250-1,000 / Piece FOB
1 Piece (MOQ)
More
Surface Treatment : Spray-Paint
Contact Supplier
Audited Supplier
Mudanjiang Kaidi Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Heilongjiang, China Since 2025
Chat Now Send Inquiry
Related Videos
  • What is Drilling Tool Cable Floater Drilling Mining Rig Crossover Circulating Sub Lift Sub
    What is Drilling Tool Cable Floater Drilling Mining Rig Crossover Circulating Sub Lift Sub
    US $ 80-100 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is High-Performance Downhole Drilling Circulating Sub with Tough Threads
    What is High-Performance Downhole Drilling Circulating Sub with Tough Threads
    US $ 250-1,000 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is API 7-1 Circulating Sub with Drill Pipe Thread /Connection/Wear Sub
    What is API 7-1 Circulating Sub with Drill Pipe Thread /Connection/Wear Sub
    US $ 250-1,000 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is API 7-1 Premium Circulating Sub for Enhanced Drilling Performance
    What is API 7-1 Premium Circulating Sub for Enhanced Drilling Performance
    US $ 250-1,000 /Piece
    1 Piece (MOQ)
    Contact Supplier
Steel Circulating Side Entry Crossover Saver Cushion Drill Reduced Sub

Steel Circulating Side Entry Crossover Saver Cushion Drill Reduced Sub

US $ 80-200 / Piece FOB
1 Piece (MOQ)
More
Main Products: Downhole Tool
Contact Supplier
Audited Supplier
Dongying Tianrui Petroleum Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2024
Chat Now Send Inquiry
API Downhole Tool Circulation Sub for Circulating Well Clean

API Downhole Tool Circulation Sub for Circulating Well Clean

US $ 200-30,000 / Piece FOB
1 Piece (MOQ)
More
Surface Treatment : Spray-Paint
Contact Supplier
Audited Supplier
TIANHE OIL GROUP HUIFENG PETROLEUM EQUIPMENT CO., LTD.

Manufacturer/Factory & Trading Company

Heilongjiang, China Since 2009
Chat Now Send Inquiry
Petroleum Wellhead Circulating Connection Thread Adapter Top Drive Sub

Petroleum Wellhead Circulating Connection Thread Adapter Top Drive Sub

US $ 80-200 / Piece FOB
1 Piece (MOQ)
More
Main Products: Downhole Tool
Contact Supplier
Audited Supplier
Dongying Tianrui Petroleum Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2024
Chat Now Send Inquiry

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About Circulating Sub FAQ

  • QHow can I identify trustworthy suppliers for Petroleum Machinery Parts in China?

    The Circulating Sub is a standout piece in our Petroleum Machinery Parts collection.To find reputable suppliers in China, research online platforms, attend industry exhibitions, and collaborate with manufacturing directories. Verify supplier qualifications and request product samples for inspection. Partnering with a recognized manufacturer ensures product quality and reliability.

  • QWhat advantages are associated with procuring Petroleum Machinery Parts through wholesale channels?

    Upgrade your Petroleum Machinery Parts with the elegant and durable Circulating Sub.Procuring Petroleum Machinery Parts wholesale offers cost-effective pricing, economies of scale due to bulk purchases, and consistent quality assurance. Wholesale transactions often come with attractive pricing structures and customization options, guaranteeing access to well-crafted products tailored to industry needs.

  • QWhat are the common types of Petroleum Machinery Parts manufactured in China?

    Our Circulating Sub offers exceptional quality and style within the Petroleum Machinery Parts category.Petroleum Machinery Parts include valves, pumps, pipelines, and connectors. Each type serves a crucial function in the petroleum industry. A reliable manufacturer offers a diverse range of parts with advanced technology and high performance.

Forging Circulating Sub Steel Material Oil Well Drilling Sub Tools with Drill Pipe Thread

Forging Circulating Sub Steel Material Oil Well Drilling Sub Tools with Drill Pipe Thread

US $ 68-358 / Piece FOB
1 Piece (MOQ)
More
Operation Pressure : Atmospheric Pressure
Contact Supplier
Audited Supplier
TIANHE OIL GROUP HUIFENG PETROLEUM EQUIPMENT CO., LTD.

Manufacturer/Factory & Trading Company

Heilongjiang, China Since 2009
Chat Now Send Inquiry
Design Wholesale Crossover Sub Ground Circulating System

Design Wholesale Crossover Sub Ground Circulating System

US $ 1,200-1,700 / Pieces FOB
1 Piece (MOQ)
More
Main Products: Mud Pump Liner; Mud Pump Piston; Valve Assembly; Cylinder Liner; Bi-Metal Liner; Mud Pump Cylinder
Contact Supplier
Audited Supplier
Best-all Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
Chat Now Send Inquiry
High-Performance API 7-1 Circulating Sub for Fluid Control

High-Performance API 7-1 Circulating Sub for Fluid Control

US $ 250-1,000 / Piece FOB
1 Piece (MOQ)
More
Material : Alloy
Contact Supplier
Audited Supplier
Mudanjiang Kaidi Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Heilongjiang, China Since 2025
Chat Now Send Inquiry
API Oil Well Drilling Tool Lifting Cap Circulating Crossover Sub

API Oil Well Drilling Tool Lifting Cap Circulating Crossover Sub

US $ 1,200-1,700 / Pieces FOB
1 Piece (MOQ)
More
Main Products: Mud Pump Liner; Mud Pump Piston; Valve Assembly; Cylinder Liner; Bi-Metal Liner; Mud Pump Cylinder
Contact Supplier
Audited Supplier
Best-all Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
Chat Now Send Inquiry
Circulating Subs Oilfield Drilling Tool Bowen Equivalent Circulating Subs

Circulating Subs Oilfield Drilling Tool Bowen Equivalent Circulating Subs

US $ 1,200-1,700 / Pieces FOB
1 Piece (MOQ)
More
Manufacturing Process : Forging
Contact Supplier
Audited Supplier
Best-all Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
Chat Now Send Inquiry
API Circulating Sub with Drill Pipe Thread

API Circulating Sub with Drill Pipe Thread

US $ 1,200-1,700 / Pieces FOB
1 Piece (MOQ)
More
Main Products: Mud Pump Liner; Mud Pump Piston; Valve Assembly; Cylinder Liner; Bi-Metal Liner; Mud Pump Cylinder
Contact Supplier
Audited Supplier
Best-all Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
Chat Now Send Inquiry
API Oil Well Drilling Tool Lifting Cap Circulating Crossover Sub

API Oil Well Drilling Tool Lifting Cap Circulating Crossover Sub

US $ 80-100 / Piece FOB
1 Piece (MOQ)
More
Material : Stainless Steel
Contact Supplier
Audited Supplier
Dongying Tianrui Petroleum Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2024
Chat Now Send Inquiry
Circulating Subs Oilfield Drilling Tool Bowen Equivalent Circulating Subs

Circulating Subs Oilfield Drilling Tool Bowen Equivalent Circulating Subs

US $ 1,000-1,200 / Piece FOB
1 Piece (MOQ)
More
Main Products: Manufacture of Down hole Tools, Casing, Drill Stem Subs, Stabilizers, Drill Collars, Kellys, Heavy Weight Drill Pipe, Drilling Accident Handling Tools, Kelly Valves, Downhole Motors and Jars
Contact Supplier
Audited Supplier
TIANHE OIL GROUP HUIFENG PETROLEUM EQUIPMENT CO., LTD.

Manufacturer/Factory & Trading Company

Heilongjiang, China Since 2009
Chat Now Send Inquiry
Downhole Drilling Circulating Sub with Drill Pipe Thread/Hammer Union Thread

Downhole Drilling Circulating Sub with Drill Pipe Thread/Hammer Union Thread

US $ 1,200-1,700 / Pieces FOB
1 Piece (MOQ)
More
Surface Treatment : Spray-Paint
Contact Supplier
Audited Supplier
Best-all Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
Chat Now Send Inquiry
High Quality API Reg Crossover Subs/Circulating Sub

High Quality API Reg Crossover Subs/Circulating Sub

US $ 1,200-1,700 / Pieces FOB
1 Piece (MOQ)
More
Main Products: Mud Pump Liner; Mud Pump Piston; Valve Assembly; Cylinder Liner; Bi-Metal Liner; Mud Pump Cylinder
Contact Supplier
Audited Supplier
Best-all Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
Chat Now Send Inquiry
Oil Drill Pipe Lifter Circulating Saver Crossover Drill Sub

Oil Drill Pipe Lifter Circulating Saver Crossover Drill Sub

US $ 80-200 / Piece FOB
1 Piece (MOQ)
More
Surface Treatment : Spray-Paint
Contact Supplier
Audited Supplier
Dongying Tianrui Petroleum Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2024
Chat Now Send Inquiry
API Downhole Tool Circulation Sub for Circulating Well Clean

API Downhole Tool Circulation Sub for Circulating Well Clean

US $ 1,200-1,700 / Pieces FOB
1 Piece (MOQ)
More
Main Products: Mud Pump Liner; Mud Pump Piston; Valve Assembly; Cylinder Liner; Bi-Metal Liner; Mud Pump Cylinder
Contact Supplier
Audited Supplier
Best-all Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
Chat Now Send Inquiry
API Casing Oil Drilling Straight Joint Coupling Lifting Sub Circulating Sub

API Casing Oil Drilling Straight Joint Coupling Lifting Sub Circulating Sub

US $ 1,200-1,700 / Pieces FOB
1 Piece (MOQ)
More
Manufacturing Process : Forging
Contact Supplier
Audited Supplier
Best-all Petroleum Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
Chat Now Send Inquiry
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