Intelligent Manufacturing and Green Transformation: Guangdong Hangao Technology to Present HVAC Tube Solutions at TUBOTECH 2025
I、Introduction: Global Tube & HVAC Industry Transformation
The global tube and welding industry is entering a decisive stage of transformation. For decades, copper pipes dominated HVAC systems due to their conductivity and workability. Yet the challenges of rising raw material costs, volatile global supply chains, and increasing environmental regulations have forced manufacturers to look for smarter and greener alternatives.
In particular, HVAC tube production—covering air conditioning, refrigeration, and heat exchange applications—has become a central focus of innovation. HVAC systems account for a large share of global energy consumption, and manufacturers are under growing pressure to reduce costs, improve efficiency, and deliver sustainable solutions. The shift from copper to stainless steel, supported by advanced welding technologies and intelligent automation, is rapidly shaping the industry' s future.
It is within this context that Guangdong Hangao Technology Co., Ltd., a leading provider of intelligent welding and tube production equipment, will participate in TUBOTECH 2025 from October 29–31 in São Paulo, Brazil. At Booth No. 310, Hangao will present its latest HVAC tube production solutions, alongside a full range of intelligent tube and welding technologies designed to drive efficiency, sustainability, and competitiveness worldwide.
II、Global Trends: Smart Manufacturing and Sustainability in HVAC
The HVAC sector, along with the broader tube and welding industry, is being reshaped by several megatrends:
Intelligent Manufacturing Becomes the Standard
The adoption of Industry 4.0 technologies such as IoT sensors, big data analytics, and AI-driven quality control is transforming HVAC tube production.
Automated monitoring and predictive maintenance reduce downtime, while ensuring consistent weld quality and stable performance.
Advanced Welding Technologies for HVAC Tubes
Traditional welding methods are being replaced by multi-cathode welding with electromagnetic control, which delivers superior seam consistency at high speed.
Laser welding and seam tracking allow for ultra-precise joining, critical in HVAC applications where pressure resistance and durability are key.
Sustainability and Carbon Neutrality
With governments enforcing stricter energy efficiency and carbon reduction targets, stainless steel HVAC tubes are increasingly favored for their durability, recyclability, and lower environmental impact compared to copper.
Smooth inner walls of stainless steel tubes also reduce refrigerant flow resistance, improving energy efficiency in HVAC systems.
Regional Opportunities in South America
Brazil and its neighboring markets are seeing strong growth in both residential and commercial HVAC systems.
As South America's largest tube and welding exhibition, TUBOTECH provides an ideal platform for HVAC manufacturers to explore cutting-edge solutions.
Advantages of Stainless Steel HVAC Tubes
The move from copper to stainless steel is driven by both economic benefits and performance advantages:
Durability: Stainless steel is more resistant to corrosion and wear, extending service life in HVAC systems.
Energy Efficiency: Reduced flow resistance translates into higher system efficiency and lower energy costs.
Cost Effectiveness: Stainless steel raw materials cost significantly less than copper, offering major savings.
Strength and Safety: Higher mechanical strength ensures better resistance to pressure and harsh environments.
Sustainability: 100% recyclable, stainless steel aligns with global green manufacturing goals.
These advantages explain why stainless steel HVAC tubes are not just an alternative but a clear upgrade for the industry.
As a pioneer in welding automation and tube production equipment, Guangdong Hangao Technology offers advanced solutions tailored forHVAC tube and industrial pipe production.
Key Innovations:
Multi-Cathode Welding with Electromagnetic Control
Ensures stable, precise seams at high production speeds.
Minimizes defects and ensures consistent weld quality.
Laser Seam Tracking and Visual Monitoring
Automated systems monitor weld seams in real time.
Enhances quality control and reduces reliance on manual inspection.
Smart Automation & IoT Integration
Intelligent control systems adjust parameters dynamically.
Predictive maintenance reduces downtime and improves reliability.
Flexible Material Compatibility
Supports stainless steel, duplex steel, and titanium alloys.
Applicable across HVAC systems, refrigeration, and heat exchangers.
International Standard Compliance
Production lines meet ASTM, EN, and GB/T standards, ensuring global market compatibility.
Industry Applications
Residential Air Conditioning: Split units, portable ACs, compact HVAC systems.
Central Air Conditioning: Large-scale systems requiring long service life and reliability.
Industrial Refrigeration & Heat Exchange: Energy, petrochemical, and manufacturing facilities.
By combining cost reduction, energy efficiency, and sustainability, Hangao enables HVAC manufacturers to thrive in a rapidly changing industry.
HVAC Tube Mill Line
IV、TUBOTECH 2025: A Premier Platform for HVAC and Tube Innovation
About the Exhibition
TUBOTECH – International Trade Fair for Tubes, Valves, Pumps, Fittings and Components is recognized as the largest trade fair for the tube and welding industry in South America. Held biennially in São Paulo, it attracts:
500+ exhibitors from over 30 countries
Tens of thousands of industry professionals
A comprehensive showcase of tube manufacturing, welding, valves, pumps, fittings, and automation technologies
TUBOTECH
Why TUBOTECH Matters for HVAC Manufacturers
Regional Growth: South America is experiencing rapid expansion in HVAC demand, particularly in commercial and central air conditioning.
Technology Exchange: The exhibition provides direct access to global innovations in tube production and welding.
Business Opportunities: Connecting suppliers, manufacturers, and customers across multiple industries.
Hangao at TUBOTECH 2025
At Booth No. 310, Guangdong Hangao Technology will present its intelligent HVAC tube production solutions alongside a full suite of tube and welding technologies. Highlights will include:
High-speed multi-cathode welding demonstrations
Intelligent automation systems for defect-free tube production
Sustainable manufacturing solutions aligned with carbon neutrality goals
Visitors will gain insight into how Hangao' s innovations are reshaping HVAC tube production and helping manufacturers achieve cost efficiency, sustainability, and international competitiveness.
Hangao Booth
V、Future Outlook: A Smarter and Greener HVAC Industry
Looking ahead, the HVAC and tube production industry will be defined by:
Laser Welding and Precision Automation
Higher seam accuracy, efficiency, and reliability.
Full Integration of Industry 4.0
IoT, big data, and AI transforming production into a fully digitalized ecosystem.
Sustainable Manufacturing
Reduced carbon footprints, recyclable materials, and energy-efficient production.
Global Expansion
Emerging markets, particularly in South America and Asia, will play pivotal roles in HVAC growth.
Guangdong Hangao Technology is committed to leading this transformation, offering solutions that are not only technologically advanced but also environmentally responsible and globally competitive.
Hangao Tube Mill
Conclusion & Invitation
The HVAC industry—and the broader tube and welding sector—is undergoing rapid transformation. Rising copper costs, stricter energy policies, and global competition are accelerating the shift toward stainless steel HVAC tubes and intelligent manufacturing solutions.
Guangdong Hangao Technology Co., Ltd. is proud to stand at the forefront of this transformation. At TUBOTECH 2025 (October 29–31, São Paulo, Brazil, Booth No. 310), the company will present its cutting-edge HVAC tube production technologies, helping global manufacturers reduce costs, improve efficiency, and embrace sustainable development.
We warmly invite global partners, HVAC professionals, and industry experts to visit our booth, explore our intelligent solutions, and join us in shaping the smarter, greener, and more competitive future of HVAC and tube manufacturing.
Every time the finishing tube is rolled, it must go through the process of solution treatment. Ta ensure that the performance of the steel pipe meets the technical requirements. and to provide guarantee for the post-process processing or use. Bright solution treatment process of ultra-long seamless steel pipe has always been a difficulty in the industry.
Traditional electric furnace equipment is large,covers a large area, has high energy consumption and large gas consumption, so it is difficult for realize bright solution process. After years of hard work and innovative development, the use of current advanced induction heating technology and DSP power supply. Precision control of heating temperature to ensure that the temperature is controlled within t2C,to solve the technical problem of inaccurate induction heating temperature control. The heated steel pipe is cooled by "heat conduction"in a special closed cooling tunnel, which greatly reduces the gas consumption and is more environmentally friendly.
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