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Company Profile

Dongguan Zhihui Welding Technology Co., Ltd. was established in September 2021, supported by the platform resources and technical expertise of the CFSW Center. We specialize in friction stir welding (FSW) technology and provide integrated solutions including FSW equipment, contract welding services, welding tools, and advanced manufacturing support.

Our mission is to promote the industrial application of FSW technology and help customers achieve high-quality, efficient, and reliable welding production. We focus on long-term customer value by delivering optimized processes, customized equipment, welding consumable development, and technical support.

Our solutions are widely applied in EV battery trays, motor housings, liquid cooling plates, busbars, vacuum chambers, and components related to 5G and energy storage industries.
Zhihui Welding
Zhihui Welding
friction stir welding technology
Friction Stir Welding Machine

Technologies

Technical Advantages

Excellent welding quality

 
Achieve 85–95% of parent material strength with defect-free weld seams.
No porosity or cracking, ensuring high consistency and long-term reliability.
 

High efficiency and energy saving

Reduce energy consumption by up to 30% with solid-state welding.
High automation enables welding speeds of 1–5 m/min for efficient production.

Environmental protection and economy

No filler material or shielding gas required, reducing overall cost.
Clean process with no smoke or harmful emissions.
 

Wide material adaptability

Suitable for aluminum, magnesium, and titanium alloys.
Reliable welding for dissimilar materials such as aluminum–copper.
 
 

Core Technology Principle: Friction Stir Welding (FSW)

Friction stir welding (FSW) is a solid-state joining process that produces high-strength, defect-free welds without melting the material. A rotating tool generates frictional heat and plastic flow, allowing materials to mix and bond under controlled pressure.

Key Technical Features
Controlled heat input prevents distortion and material damage
Stable material flow ensures dense and consistent welds
Dynamic recrystallization improves mechanical properties

R&D Results

Key technological breakthroughs
Key technological breakthroughs
High melting point material welding technology: overcome the stir friction welding process of materials such as titanium alloy and high-temperature alloy, and the weld strength reaches 92% of the parent material.
Composite heat source collaborative welding: develop laser-assisted stir friction welding technology, increase welding speed by 40%, and reduce heat input by 25%.
Intelligent process control system: integrate temperature, pressure, and torque real-time monitoring modules to achieve dynamic optimization of welding parameters.

Patents and certifications
Patent layout: 9 patents related to stir friction welding (including 3 invention patents) and 1 software copyright have been obtained.
Industry standard participation: Leading the formulation of the group standard "Technical Conditions for Stir Friction Welding Equipment" to promote industry standardization.

Benchmark project cases
New energy vehicle field: Customized battery tray welding solutions for a leading car company, the welding yield increased from 82% to 98%, and the unit cost decreased by 15%.
Aerospace field: Completed the welding of a certain type of aircraft skin wall panel, passed the airworthiness certification, and the fatigue life of the weld increased by 30%.

Innovation Ability Of The R&D Team

Expert team background

Technology support: The core members are from the Welding Technology Research institute of CFSW Center, with more than 20 years of experience in stir friction welding research and development.
Interdisciplinary collaboration: The team includes experts in multiple fields such as materials science, mechanical engineering, and automation control.
 
 

Technical breakthrough direction

Microstructure regulation: Through the design of the stirring head morphology and the optimization of welding parameters, the nano-level control of the weld grain size is achieved.
Digital twin technology: Develop a welding process simulation platform to predict weld performance and optimize process parameters, shortening the R&D cycle by 40%.
 

Industry-university-research cooperation

University joint laboratory: Co-build a stir friction welding research center with South China University of Technology  and Astronautics to promote the transformation of technological achievements.
International technical cooperation: Conduct technical exchanges with German FSW equipment manufacturers, introduce advanced design concepts and localize innovation.

Innovation Ability Of The R&D Team

Industry leadership: Core technical indicators (such as welding strength and efficiency) have reached the international advanced level, filling the gap in domestic high-end welding equipment.

Customer empowerment: Through process optimization and equipment customization, help customers reduce comprehensive costs by 20%-30% and improve product competitiveness.

Sustainable development: The technology is in line with the "dual carbon" goal and helps customers achieve green manufacturing transformation.

Video

We provide friction stir welding (FSW) solutions including FSW machines, welding services, and tooling for EV and industrial applications.
Our solutions help improve weld quality, ensure defect-free performance, and support stable and reliable mass production.

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Contact Us

Landline: +86-769-8278-1216
E-mail:  brad.wang@alcu-fsw.com
               zoey.zhang@alcu-fsw.com
Phone: +86-156-3608-6589 
             +86-135-4472-5331
Add: Buliding C, Jinshi Technology Park, Dalingshan Twon, Dongguan, Guangdong, China
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