Top 20 OCTG Pipe Manufacturers in China

China is a leading hub for OCTG (Oil Country Tubular Goods) pipe manufacturing. With advanced technology, strict quality control, and API-compliant products, Chinese manufacturers supply durable casing, tubing, and drill pipes for global oil and gas operations. Choosing the right manufacturer ensures safety, reliability, and efficiency in drilling projects.

This blog highlights the top 20 OCTG pipe manufacturers in China. We explore their capabilities, product offerings, and industry reputation to help operators and procurement teams identify trusted suppliers.

Understanding these manufacturers allows businesses to source high-performance OCTG pipes that meet demanding operational and project requirements.

What are OCTG Pipes?

OCTG pipes, or Oil Country Tubular Goods, are specialized steel pipes used in the oil and gas industry for drilling, production, and well completion. They provide essential structural support for the wellbore, allow efficient transport of oil, gas, and other fluids, and ensure operational safety under extreme downhole pressures and temperatures.

OCTG pipes typically include casing, tubing, and drill pipes, each serving a specific purpose. Casing stabilizes the wellbore and isolates formations, tubing transports fluids from the reservoir to the surface, and drill pipes transmit torque and drilling fluids to the drill bit. All OCTG products are manufactured to meet strict API standards for quality, strength, and reliability.

Top 20 OCTG Pipe Manufacturers in China

China is home to some of the world’s most reliable OCTG pipe suppliers, offering high-quality casing, tubing, and drill pipes for oil and gas operations. Selecting the right manufacturer ensures safe, efficient, and long-lasting performance in demanding downhole conditions. This blog highlights the top 20 OCTG pipe manufacturers in China, helping you choose trusted suppliers.

Tianjin Pipe Corporation (TPCO)

Tianjin Pipe Corporation is one of China’s largest and most established seamless steel pipe manufacturers. They produce a wide variety of OCTG products, including seamless casing and tubing, and are known for their state-owned capacity and strict quality control. TPCO is recognized globally as a reliable OCTG pipe supplier for large-scale oil and gas projects.

TPCO’s OCTG pipes comply with API standards, ensuring durability under high pressure and demanding downhole conditions. They serve both domestic and international markets, offering efficient production, stable supply, and a strong reputation in the energy sector, making them a trusted OCTG pipe supplier worldwide.

Changbao Steel (Changbao Tube)

Changbao Steel, also known as Changbao Tube, specializes in seamless OCTG casing and tubing. They have decades of experience and a well-established manufacturing system, producing high-quality oil-well tubes for global markets. Changbao is recognized as a reliable OCTG pipe supplier for various drilling operations.

Their OCTG products cover a range of material grades, including K55, N80, and P110, ensuring compatibility with different well conditions. Changbao emphasizes R&D and technological innovation, supporting consistent performance in challenging downhole environments, which makes them a dependable OCTG pipe supplier.

Sinodrills

Sinodrills is a trusted OCTG pipe supplier and drilling tools manufacturer in China. We manufacture high-strength, precision-engineered drill pipes and casing/tubing that meet rigorous API standards. Our products are designed for demanding drilling environments, ensuring long service life and consistent performance.

We support diverse drilling needs by offering customization in length, diameter, and connection types. Our quality control process includes thorough testing, ensuring every pipe we supply meets strict safety and performance criteria. Sinodrills is a reliable OCTG pipe supplier for global oil and gas projects.

Shandong Molong Petroleum Machinery

Shandong Molong is a leading manufacturer of petroleum machinery and OCTG tubulars. They produce oil well pipes, sucker rods, and other drilling equipment, leveraging strong partnerships with major operators. Molong is recognized as a dependable OCTG pipe supplier for both domestic and international markets.

Molong’s OCTG pipes are designed to handle high-stress and high-pressure drilling environments. With a well-developed production base and technical expertise, they deliver durable, API-certified casing and tubing that supports both drilling and production operations effectively.

Sanjack Petro Group

Sanjack Petro has over two decades of experience producing OCTG tubing and casing. They operate multiple production lines, including automated upsetting and thread processing, supporting a large annual capacity. Sanjack is a reputable OCTG pipe supplier serving international oil and gas clients.

Their OCTG products cover a broad size and grade range, including J55, K55, and P110, meeting international API standards. Sanjack emphasizes rigorous testing, including non-destructive inspection and heat treatment, ensuring reliable and safe OCTG pipes for demanding projects.

Baoshan Iron & Steel (Baosteel)

Baoshan Iron & Steel, or Baosteel, is one of China’s largest steel producers and a significant OCTG pipe supplier. While not solely focused on OCTG, their metallurgical capabilities support seamless and welded steel pipes for critical downhole applications.

Baosteel’s OCTG pipes benefit from large-scale production technology, ensuring high strength and consistent quality. Their involvement in the tubular goods market makes them a trusted OCTG pipe supplier for major energy and infrastructure projects worldwide.

Hebei Yongqiang Pipeline Co., Ltd.

Hebei Yongqiang manufactures API 5CT-grade casing and tubing. They produce various OCTG grades like K55, N80, and P110, and are known as a reliable OCTG pipe supplier for both conventional and challenging well environments.

Yongqiang emphasizes precise threading and dimensional tolerances, ensuring secure connections and downhole reliability. Their quality systems provide confidence for oil and gas operators seeking a consistent OCTG pipe supplier.

Tianjin Tiangang Special Petroleum Pipe Manufacture

Tianjin Tiangang specializes in seamless OCTG casing and tubing production. They offer a wide range of pipe sizes and grades and are recognized as a dependable OCTG pipe supplier for both domestic and international oilfield projects.

Their facilities include threading, coupling, and heat treatment lines to ensure strength and durability. This combination of scale and quality control makes Tianjin Tiangang a trusted OCTG pipe supplier for high-performance wells.

Permanent Steel Manufacturing Co., Ltd.

Permanent Steel produces seamless steel pipes, including OCTG casing and tubing lines. They provide a broad portfolio of steel solutions, supported by strong production capabilities and rigorous quality control. Permanent Steel is recognized as a reliable OCTG pipe supplier.

Their OCTG products are API 5CT compliant and designed for high-pressure and high-temperature wells. Permanent Steel’s focus on both volume and precision ensures consistent quality, making them a dependable OCTG pipe supplier worldwide.

Wuxi Oilfield Equipment & Tools Group

Wuxi Oilfield Equipment & Tools Group offers a wide range of drilling and downhole equipment, including OCTG casing and drill pipe. They are known as a trusted OCTG pipe supplier for clients needing both tubulars and integrated drilling tools.

Their integrated approach allows them to combine pipe supply with drilling system solutions, ensuring efficient onsite operations. Wuxi’s OCTG products and tools provide reliability, making them a valuable OCTG pipe supplier for domestic and international projects.

Shanxi Guangyuan Steel Strip Group

Shanxi Guangyuan produces OCTG tubing using seamless and welded technologies. They are recognized as a reliable OCTG pipe supplier for oilfield operations requiring durable and high-performance pipes.

Their production strategy emphasizes advanced metallurgy and quality control. Guangyuan’s OCTG pipes provide strength, consistency, and stability, meeting rigorous standards for global drilling operations.

Hunan Hengan Weiye Metal Products

Hunan Hengan Weiye specializes in API 5CT casing and tubing. They are known as a dependable OCTG pipe supplier offering a wide range of sizes and grades suitable for demanding oilfield applications.

The company uses advanced heat-treatment and threading technologies to ensure product integrity. Their OCTG pipes are reliable in high-pressure, high-temperature wells, supporting safe and efficient operations.

Liaocheng Derunying Goods & Materials

Liaocheng Derunying produces seamless steel tubes, including OCTG casing. They are a trusted OCTG pipe supplier, delivering products that meet API 5CT standards for global oil and gas projects.

They emphasize customer-focused service and flexibility in product offerings. Derunying’s OCTG pipes are suitable for both standard and specialized well designs, ensuring reliable performance.

Hebei Borun Steel

Borun Steel produces seamless casing and tubing, serving as a reliable OCTG pipe supplier. Their API 5CT products, including P110 and L80 grades, are widely used in demanding oilfield environments.

Borun maintains tight manufacturing tolerances and material traceability. Their OCTG pipes are trusted by domestic and foreign oil companies, providing strength, durability, and consistent performance.

Eastern Steel Manufacturing Co., Ltd.

Eastern Steel produces seamless OCTG tubes, including casing and high-grade tubing. They are a cost-effective OCTG pipe supplier, delivering API-compliant products for conventional and demanding drilling projects.

Their manufacturing process emphasizes chemical consistency and dimensional accuracy. Eastern Steel’s OCTG pipes ensure dependable performance, making them a recognized supplier in the tubular goods sector.

Hengyang Valin Steel Group

Hengyang Valin is part of a major steel conglomerate producing OCTG casing and tubing. They are a leading OCTG pipe supplier, delivering pipes for high-pressure and high-temperature wells.

With strong metallurgy capabilities and large-scale production, Hengyang Valin ensures reliability, competitive pricing, and timely supply. Their OCTG pipes meet international standards and are widely used in domestic and international markets.

Shandong Kehuan Petroleum Steel Pipe (Longshun)

Shandong Kehuan (Longshun) offers premium OCTG casing and tubing, including high-performance P110 grades. They are a trusted OCTG pipe supplier for high-pressure and high-temperature wells.

They maintain strict process controls, heat treatment, and thread machining to ensure API compliance. Their focus on quality and performance makes them competitive in both domestic and global markets.

Jereh Group

Jereh Group is a major oilfield services company with involvement in OCTG pipe supply. They are a valuable OCTG pipe supplier, partnering with manufacturers to provide high-quality tubing and casing.

Jereh leverages its oilfield service capabilities to distribute OCTG products efficiently. They ensure clients receive API-compliant pipes and support services to maintain safe and reliable drilling operations.

How to Choose Suitable OCTG Drill Pipes?

Selecting the right OCTG drill pipes is essential for safe and efficient drilling operations. The proper pipes ensure durability, torque transmission, and reliability under high-pressure and high-temperature downhole conditions. Choosing the right OCTG drill pipe helps minimize downtime, reduce maintenance costs, and optimize overall well performance.

• Consider Pipe Grade: Choose the correct steel grade (e.g., K55, N80, P110) based on well depth, pressure, and temperature. We recommend selecting pipes with appropriate strength and toughness to withstand downhole stresses, ensuring long-lasting performance and safety.
• Check Connection Type: Drill pipe connections affect torque transmission and leak resistance. We advise evaluating API-standard threads, premium or semi-premium connections to ensure proper fit, reliable assembly, and minimized operational risks during drilling.
• Assess Wall Thickness: Pipe wall thickness impacts strength, bending resistance, and fatigue life. Selecting the proper thickness prevents pipe deformation under axial and torsional loads, ensuring safety and operational efficiency throughout the drilling process.
• Review Manufacturing Standards: Ensure the pipes comply with API 5DP or equivalent standards. We emphasize choosing certified OCTG drill pipes to guarantee consistent material quality, precise dimensions, and reliability in demanding oilfield applications.
• Consider Well Conditions: Factor in well trajectory, depth, and corrosive environments when selecting pipes. We recommend using pipes with corrosion-resistant coatings or premium alloys for high-pressure, high-temperature, or sour service wells to ensure durability and safe drilling operations.

Conclusion

Selecting the right OCTG pipe manufacturer is crucial for safe, efficient, and reliable drilling operations. High-quality pipes from reputable manufacturers provide durability, corrosion resistance, and operational stability, minimizing downtime and reducing maintenance costs in oil and gas projects worldwide. Careful supplier evaluation ensures long-term performance and safety.

Partnering with top OCTG manufacturers also guarantees access to API-compliant, precision-engineered products. Whether you need casing, tubing, or drill pipes, these suppliers provide solutions tailored to your operational needs. Reliable sourcing helps maintain consistent drilling performance, optimize efficiency, and support challenging onshore and offshore projects.

For dependable, OCTG drill pipes, get wholesale OCTG drill pipes from our Sinodrills. We provide durable, API-standard pipes designed for demanding oil and gas applications. Partnering with Sinodrills ensures safe, efficient, and long-lasting drilling solutions tailored to your project requirements.