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Hangao is a 20 years high-tech and specialized enterprise, is China's only one with high-end precision industrial welded pipe production line full set of equipment manufacturing capabilities.
Solutions-PIC3

High Speed Precision Welded Pipe Production Line

The precision welded pipe production line is mainly used for the manufacturing of pipes for sanitary grade fluids, heat exchangers, petrochemical, nuclear power, semiconductors, and other fields. With the continuous updating and optimization of industrial welded pipe manufacturing processes, seamless pipes have been replaced in many fields.
 
Solutions-PIC2

Induction Finished Tube Bright Annealing Production Line

The precision rolling tube induction type bright solid solution production line has significant characteristics such as small footprint, low energy consumption, no need for preheating, and can also work online with the rolling mill to meet the requirements of ultra long tube bright heat treatment process. The performance of the pipe meets the national standard...
 
 
Solutions-PIC1

Servo Heavy-Duty Weld Bead Roller Machine

High performance, fast response, and stable positioning of servo motors; Combined with stable hydraulic pressure and high pressure regulation output; Integrating servo and hydraulic advantages. The use of servo motors ensures high-speed, precise, and smooth round-trip of the leveling car. Using hydraulic pressure for fast, stable, and precise pressure...
 
 
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Tube Mill Production Line

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Specialized in product Specialized in product
This area can be fully edited and gives you the opportunity to introduce yourself, your website, your products or your services.
Specialized in product Specialized in product
This area can be fully edited and gives you the opportunity to introduce yourself, your website, your products or your services.
Specialized in product Specialized in product
This area can be fully edited and gives you the opportunity to introduce yourself, your website, your products or your services.
Specialized in product Specialized in product
This area can be fully edited and gives you the opportunity to introduce yourself, your website, your products or your services.
Specialized in product Specialized in product
This area can be fully edited and gives you the opportunity to introduce yourself, your website, your products or your services.
Specialized in product Specialized in product
This area can be fully edited and gives you the opportunity to introduce yourself, your website, your products or your services.
Specialized in product Specialized in product
This area can be fully edited and gives you the opportunity to introduce yourself, your website, your products or your services.

Hot Selling Tube Mill

We have the R&D and manufacturing capacity of precision pipe welding machine, weld bead roller machine,  bright annealing machine, off-line rotating annealing line, welding tracking system,  intelligent control system, mould and other whole plant equipment.

Hot Selling Annealing Machine

We have the R&D and manufacturing capacity of precision pipe welding machine, weld bead roller machine, bright annealing machine, off-line rotating annealing line, welding tracking system, intelligent control system, mould and other whole plant equipment.

About Hangao

Manufacturer Specializing In High-End Welded Pipe Equipment
Hangao is a 20 years high-tech and specialized enterprise, is China's only one with high-end precision industrial welded pipe production line full set of equipment manufacturing capabilities. At the same time, we have the R&D and manufacturing capacity of precision pipe welding machine, weld bead roller machine, bright annealing machine, off-line rotating annealing line welding tracking system, intelligent control system, mould and other whole plant equipment Products are exported to Dubai, Russia, India, Thailand, Pakistan, Vietnam, Malaysia, Serbia, Costa Rica, South Korea, the United States, Australia and other countries.
After 20 years of development, many of our technologies are leading the world and leading the trend.

The world's first intelligent insulation type bright annealing equipment, insulation section temperature accurate to ±2℃, better guarantee heat treatment quality.
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Demand As The Guide Innovation As The Core

Hangao is a 20years high-tech and specialized enterprise, is China's only one with high-end precision industrial welded pipe production line full set of equipment manufacturing capabilities.

  • Custom Design
    Tailored technical solutions or even factory output solutions for customers​​​​​​​
  • Widely Used​​​​​​​
    Widely applicable in various fields, suitable for various materials, and products comply with various international standards​​​​​​​
  • Installation And Commissioning​​​​​​​
    Can provide better installation, debugging, and maintenance for customers​​​​​​​

Blogs

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2025-07-15
The Intelligent Evolution of Pipe Welding Equipment under Industry 4.0
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2025-07-15
The Intelligent Evolution of Pipe Welding Equipment under Industry 4.0

As manufacturing enters the Industry 4.0 era, pipe welding equipment is transforming from manual tools into intelligent, connected systems. This article explores how smart welding technologies—such as digital power sources, three-cathode torches with electromagnetic arc control, and advanced laser seam tracking systems—are overcoming the limitations of traditional welding. It highlights the integration of data collection, real-time monitoring, and remote operations, enabling higher quality, faster production, and greater safety. Through practical applications in stainless steel pipe, heat exchanger, and complex structural welding, it showcases the real-world value of intelligent upgrades. Looking ahead, the convergence of AI, big data, edge computing, and digital twin simulation is set to revolutionize pipe welding, making it more autonomous and adaptive. Smart welding is no longer a future concept—it’s the path forward for high-end pipe manufacturing in a globally competitive landscap

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2025-07-03
What Does An Annealing Machine Do?
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2025-07-03
What Does An Annealing Machine Do?

What Does an Annealing Machine Do?IntroductionIn the manufacturing and materials processing industries, the annealing machine is a critical piece of equipment that plays a significant role in improving the properties of various materials. The process of annealing is widely used to enhance the workab

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2025-06-25
What Is An Annealing Machine?
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2025-06-25
What Is An Annealing Machine?

In the realm of industrial manufacturing and materials processing, the annealing machine is a vital piece of equipment that plays a crucial role in enhancing the properties of various materials. The process of annealing is used across numerous industries to improve the workability, durability, and o

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2025-04-08
Formation reason and solution of welding porosity of stainless steel pipe
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2025-04-08
Formation reason and solution of welding porosity of stainless steel pipe

Porosity is a common defect in the welding of stainless steel pipes, which is manifested as small holes in the weld, affecting the tightness and strength of the pipes. The following is an easy-to-understand way to explain the causes of stomata and how to deal with them:1. Where do pores come from?Ga

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2025-03-25
Preventing Intergranular Corrosion in Stainless Steel Welds
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2025-03-25
Preventing Intergranular Corrosion in Stainless Steel Welds

Title: Understanding and Preventing Intergranular Corrosion in Stainless Steel WeldsMeta Description: Learn about intergranular corrosion in stainless steel welds, its causes, prevention methods, and the importance of bright solution treatment. Optimize weld quality and longevity.Introduction:Weldin

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If Our Product Is What You Want

Please get in touch with our team immediately to answer you with a more professional solution
WhatsApp：+86-134-2062-8677 
Tel: +86-139-2821-9289 
E-mail: hangao@hangaotech.com 
Add: No. 23 Gaoyan Road, Duyang Town, Yun 'anDistrictYunfu City. Guangdong Province

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