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SBKJ SPIRAL TUBEFORMER delivers high-efficiency, precision-engineered solutions for the ventilation, HVAC, and sheet metal industries. Trusted in over 60 countries.
Based in the Yangtze River Delta near Shanghai, China, SBKJ is a national high-tech enterprise specializing in the development and manufacturing of tube and duct forming machines for the climate and ventilation industry.
We specialize in the design and manufacture of metal tube and rolled parts forming equipment, offering highly professional customization for diverse industrial applications.
High-efficiency machines designed for precision and durability in duct and tube forming.
High-speed spiral duct forming machine for round ducts with automatic feeding and cutting.
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Converts round ducts into oval shapes with high precision and minimal material waste.
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Sealing machine for spiral ducts, ensuring airtight joints and enhanced structural integrity.
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Automated flange forming for round ducts, compatible with common plate and angle iron flanges.
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Material-saving punching system for angle iron flanges, increasing production efficiency.
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Forms flexible aluminum ducts with consistent diameter and smooth surface finish.
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Precision tool for shaping duct fittings such as elbows, transitions, and offsets.
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Fully automated production line for high-volume spiral duct manufacturing.
Learn More →Engineered for performance, reliability, and global compliance.
ISO9001:2000 and CE certified. SGS verified supplier for global trust.
Machines tested to meet international safety and performance standards.
Dedicated team providing technical support and service anytime.
Trusted by customers in over 60 countries across five continents.
60+
Countries Served
20+
Years Experience
500+
Machines Installed
24/7
Support Availability
Stay updated with industry trends and machine innovations.
How automated duct forming helps mitigate raw material cost volatility.
Read More →Step-by-step guide to ensuring machine and product quality.
Read More →Tips for using spiral duct machines in low-temperature conditions.
Read More →Get in touch for product inquiries, support, or customization options.
For detailed product specifications, case studies, and certification documents.
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