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COMMITTED TO OCTG INDUSTRY SINCE 2004

Comprehensive Service Provider for OCTG Couplings

 
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We are equipped with over 100 sets precision CNC lathes, which including Japan AMADA Saw Machine 12 sets，Japan Circular Sawing Machine 2 sets，Japan MORI SEIKI Lathe 54 sets, Spain DANOBAT Lathe 2 sets.
 
 
     
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High Precision Facilities

 
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Changbao Taobang's factory covers an area of 18,000 ㎡, and we have 20 years’ experience of couplings, we can produce 4 million pcs of OCTG coupling per year.
 
 
     
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Large Scale Capacity

 
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Our API couplings all meet the American Petroleum Institute (API) Specification 5CT. Our goal is to provide our customers with hassle free quality couplings.
 
 
     
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Quality Control

OCTG Couplings We Offer

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Tubing Coupling
 

 

Tubing Couplings

 
 
 
octg-Tubing-Couplings
 

 

Casing Couplings

 
 
 
Premium-Connection
 

 

Premium Connections

 
 
 

We Will Be In a Very Short Period of Time to Give You a Satisfactory Reply.

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FIND THE RIGHT PRODUCT
WELCOME TO CHANGBAO TAOBANG
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Comprehensive Service Provider for OCTG Couplings

Jiangsu Changbao Taobang Petroleum Pipe Co., Ltd, established in year of 2004 is specializing in the production of couplings to the manufactures of oil country tubular goods (OCTG). Our Fatcory covers 18,000 ㎡, building area 9,800 ㎡. Our company is equipped with precision CNC lathe 100 sets, which including Japan AMADA Saw Machine 12 sets，Japan Circular Sawing Machine 2 sets，Japan MORI SEIKI Lathe 54 sets, Spain DANOBAT Lathe 2 sets.We carry a full size range of 1.315” to 20” in J55, K55, N80, L80-1, L80-13Cr, C90, T95, C110, P110, CB140V and etc grade. OCTG coupling annual output is above 4 million pcs.
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Factory Tour

Welcome to Visit Our Factory

  • Warehousing & Logistics
  • Equipment & Facility
  • Manufacturing
  • Throughout the entire process of our supply chain management​, consistent on-time delivery is vital and very important for the success of our business. Our warehouse department makes sure that your products are stocked properly before being delivered.
  • The Changbao Taobang OCTG couplings manufacturing facility is equipped with top-of-the-line machinery managed by highly-skilled technicians. This enables us to produce quality OCTG couplings with great efficiency and at lower costs.
  • At Changbao Taobang, we have over 30 years of professional experience. We ensure that every process is done to the highest possible standards for our client's satisfaction.
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WHY CHOOSE CHANGBAO TAOBANG
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Why Changbao Taobang Is Trusted By 1000+ Global Importers?

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Large Scale Facility
   
 
Our factory more than100 sets precision CNC lathes, our OCTG coupling annual output is over 4 million pcs. 
 
 
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20 Years’ Experience
 
 
We have 20 years’ experience of manufacturing and exporting OCTG coupling, and have exported 100+ countries.
 
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Strict Quality Control
 
 
During the processing of all products, we will conduct a series of tests to ensure that the quality of acetylene eight articles meets customer needs.
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Full Set of Certification
 
 
Changbao Taobang has pass through the API 5CT, API Q1, ISO 9001, ISO 45001 and etc.
 
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Full Range Of Product
 
 
We carry a full size range of 1.315” to 20” in grade of J55, K55, N80, L80-1, L80-13Cr, C90, T95, C110, P110, L80-13Cr, CB140V and etc.
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Customizable Service
 
 
We not only provide you a standard size products,we also supply you customizable couplings.

Our Partners

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Latest Blog

MORE
03/ 09/ 2026
What Is Casing and Tubing in Oil Well Drilling | API 5CT OCTG Couplings

What Is Casing and Tubing in Oil Well Drilling?Oil well drilling relies on a reliable system of casing, tubing, and OCTG couplings. Casing stabilizes the wellbore and isolates formations, while tubing provides a pathway for oil and gas to flow. High-quality API 5CT tubing couplings and casing coupli

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02/ 25/ 2026
3 1/2 L80-1 EUE Tubing Coupling

Product OverviewGeneral DescriptionThe 3 1/2 L80-1 EUE Tubing Coupling is manufactured according to API 5CT standards for connecting 3 1/2″ EUE tubing pipes. It ensures precise thread engagement and consistent performance under oilfield well conditions.Material and PerformanceConstructed from L80-1

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02/ 07/ 2026
2 7/8 L80-1 EUE Tubing Coupling

Product OverviewGeneral DescriptionThe 2 7/8 L80-1 EUE Tubing Coupling is manufactured to API 5CT standards, connecting 2 7/8″ EUE tubing pipes. It delivers precise thread engagement and reliable performance in oilfield tubing operations.Material and PerformanceMade from L80-1 steel, this coupling p

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Consult Your OCTG Coupling Solution Experts

We help you avoid the pitfalls to deliver the quality and value your OCTG coupling need, on-time and on-budget.
Contact Info
   
info@cntaobang.com
Tel:  +86-519-85961199-809
Fax: +86-519-85960066
Add: No.38 Kele Road, Xinbei District, Changzhou City, Jiangsu Province, China  
Products
© COPYRIGHT 2023 JIANGSU CHANGBAO TAOBANG PETROLEUM PIPE CO.,LTD. ALL RIGHTS RESERVED.