Saving labor was a priority in the 1970s as much it is today. One of the biggest developments in the ‘70s (and ‘80s) came from transitioning away from fabricating rectangular sheet metal duct ...
Five global HVAC sheet metal fabrication giants have joined forces after Spiral-Helix, Inc. acquired Vicon Machinery, LLC and Plasma Automation, Inc. Spiro International SA and Spiral-Helix, Inc. have ...
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