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Precision Pipe Fittings for Global Industries

Shanghai Changhao High Pressure Pipe Fittings Co., Ltd. – a trusted manufacturer and supplier of insulating joints, flanges, valves, and high-performance butt welding fittings since 2002.

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About Changhao Group

Established on March 13, 2002, Shanghai Changhao High Pressure Pipe Fittings Co., Ltd. is a leading manufacturer and trader specializing in the research, development, and production of insulating joints, insulating flanges, steel flanges, steel butt welding pipe fittings, and forged pipe fittings.

With over two decades of experience, we serve industries such as oil & gas, chemical processing, power generation, and water treatment, delivering reliable, high-performance components that meet international standards.

  • ISO-Certified Manufacturing
  • Global Export Network
  • Advanced Quality Control Systems
Factory Equipment Pipe Fittings Welding Process Quality Inspection

Our Hot Products

High-performance industrial pipe fittings engineered for durability, safety, and precision in demanding environments.

Threaded Flange

Threaded Flange

Ideal for low-pressure applications; not suitable for thin-walled pipelines due to threading requirements.

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45° Elbow

Elbow 45° LR/SR

Reducing elbow for smooth directional change in piping systems with minimal flow resistance.

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Slip On Flange

Slip On Flange (SO)

Designed to slide over the pipe and welded at top and bottom for secure, cost-effective connections.

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Cross Fitting

Cross Fitting

Four-way connection with 90° outlets; available with solvent weld or threaded ends for secure joints.

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Straight Tee

Tee (Straight)

Branch outlet turned 90° from the main line, ideal for creating T-shaped pipe junctions.

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Welding Neck Flange

Welding Neck (WN) Flange

Long tapered hub for high-strength, leak-free welding; ideal for high-pressure and critical applications.

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Blind Flange

Blind (BL) Flange

Used to close the end of a piping system or vessel; provides a secure seal for maintenance or isolation.

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U-Type Insulating Joint

U-Type Insulating Joint

Prevents galvanic corrosion in pipelines by electrically isolating sections while maintaining mechanical strength.

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Why Choose Changhao Group?

We combine advanced manufacturing, rigorous quality control, and global expertise to deliver reliable industrial solutions.

Advanced Quality Control

Equipped with high-tech inspection equipment and heavy machinery to ensure every product meets international standards.

Global Compliance

Our products comply with ASME, ANSI, DIN, JIS, and other international standards for industrial piping systems.

Export-Ready Packaging

Secure, moisture-resistant packaging designed for safe long-distance shipping to over 50 countries.

22+
Years in Business
50+
Countries Served
10K+
Products Shipped Annually
100%
Quality Inspection

Latest Industry Insights

Stay updated with technical knowledge and best practices in pipeline systems.

How to Get a Pipeline Pig Unstuck?

Pigs are essential for pipeline maintenance, but getting them unstuck requires careful pressure management and diagnostic tools.

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Importance of Chemical Tanks

Safe storage and handling of hazardous chemicals depend on properly designed and maintained chemical tanks.

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Choosing the Right Piping Fitting

Selecting the correct fitting ensures system efficiency, safety, and longevity across oil, gas, and industrial applications.

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Get in Touch

Reach out to our team for product inquiries, technical support, or custom solutions.

Contact Information

Tel: +86 21 5859 9335 / +86 21 5285 1387

Fax: +86 21 3353 9683

Email: sales1@changhaopipe.com

Skype: live:f3d3d41a5e172ef7

WhatsApp: +86 138 17243796

WeChat: +86 138 17243796

Address: No.2 Shanghai Brilliant City, No.8666 Hunan Rd, Pudong New District, Shanghai-201314, China

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