Company Category: Duct, Spiral or Oval

ZENGO GROUP LIMITED

Committed to the HVAC/R industry for over 20 years, ZENGO has become a reputable global company, supplying high quality Ventilation, Refrigeration, Air Conditioning equipments and spare parts, serving customers in more than 90 countries. We are very proud to be China’s TOP 3 exporter in Ventilation, and HVAC industry’s 5 STAR Seller on Alibaba. Our Ventilation brand Airandus and AC/R brand Comforplanet are widely recognized by valued customers all around the world.

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Vicon Machinery

VICON has over 40 years of expertise in HVAC fabrication and precision manufacturing. Our machines are built for performance, reliability, and ease of use—fully customizable to your needs. Serving customers worldwide, we deliver complete turn-key systems backed by an industry-leading warranty and lifetime phone support. Proudly made in the USA, VICON doesn’t just build machines—we build partnerships.

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SUPERAIR GROUP LTD

SuperAir is one of the biggest HVAC suppliers in China, focusing on manufacturing and providing a comprehensive range of accessories for Heating, Ventilation, Air conditioning, and Refrigeration Products. Also, SuperAir has the capacity to develop, design, and manufacture innovative products to suit customer specifications. Whether you need Ventilation Accessories, Duct Fittings, Air Conditioning Installations, Rooftop Support Systems, or other HVAC accessories, SuperAir is your one-stop shop for all your HVAC needs.

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SPIRAL-HELIX, Inc.

Spiral-Helix, Inc. is the official US sales subsidiary of Spiro International SA, the undisputed world leader in the development and manufacture of machines to produce environmentally friendly air duct systems required in the heating, ventilation, air conditioning (HVAC) and sheet metal industry. Our identity as a Swiss quality brand stands for reliability, security, and trust.

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Spinfinity

The original spiral Accuflange manufacturer for spiral duct systems.

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