Precision Engineering for
HVAC & Ventilation
Over 30 years of manufacturing excellence delivering integrated production lines and heavy-duty machinery for duct pipe and cylinder fabrication to global markets.
30+
Years Experience
100%
B2B Focus
6+
Global Regions
Trusted by Global Partners
Working with leading manufacturers and distributors worldwide
End-to-End Industrial Services
Beyond machinery supply, we provide comprehensive support throughout your production journey.
Custom Engineering
Tailored production line design based on your specific material requirements and factory layout.
Installation & Training
Complete on-site installation services with comprehensive operator training programs.
Technical Support
24/7 remote support and regular maintenance services to ensure optimal performance.
Global Logistics
Worldwide shipping and customs clearance with over 20 years of international export experience.
State-of-the-Art Manufacturing Facility
Our advanced production facility ensures the highest quality standards and precision engineering.
Advanced Manufacturing Capabilities
Our 15,000 sqm facility houses cutting-edge CNC machining centers, precision welding stations, and automated assembly lines, ensuring consistent quality and reliability in every machine we produce.
- ISO 9001:2015 certified quality management system
- Advanced CNC machining and precision fabrication
- Rigorous testing and quality assurance protocols
Trusted by Customers
Duct Work Discussion with Client
Shipment Preparation
Our Manufacturing Process
From initial design to final delivery, every step is meticulously planned and executed.
Design & Engineering
Custom solution development based on your requirements
Material Procurement
High-grade steel and components sourcing
Precision Manufacturing
CNC machining and expert fabrication
Quality Testing
Comprehensive performance validation
Global Delivery
Secure packaging and worldwide shipping
Dominate Your Ductwork Production
Dominate your production with the "CJ Three-Piece Suite," the #1 choice in the Chinese market. Our integrated sheet rolling, seam welding, and flanging solutions are the proven foundation for virtually all your ductwork scenarios.
Automated Production Lines
Complete integration of decoiling, leveling, forming, and welding into seamless high-output workflows.
Plate Rolling Machines
Precision sheet, plate bending equipment for various diameters and material thicknesses with exceptional accuracy.
Seam Welding Systems
Precision-engineered for flawless welds on materials as thin as 0.3mm. Our modular platforms offer ultimate versatility, allowing seamless switching between TIG, MIG, and Plasma processes.
Flanging & Punching
Streamline your production with integrated flanging and punching solutions, achieving superior forming quality and high-speed operation in one process.
Corrugated Pipe Systems
Specialized equipment for producing flexible ventilation pipes and corrugated duct components.
Tailored Engineering
Bespoke production line design and integration based on your specific factory layout and requirements.
Dynamic Solutions Showcase
Witness firsthand how our engineering transforms raw materials into finished products. A visual journey into efficiency and quality.
Sheet Rolling Machine
Manufacturing Process
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Flanging & Punching Machine
Equipment Showcase
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Seam Welding Machine
Factory Operations