Trinetics Group, Inc. announces the sale of Trinetics Group Inc to Joyce Munnings. Joyce purchased the company as a 100% Women Owned business from David Hofius, a long time expert in plastic welding technology, design and patents. His son, Marc Hofius, the lead design engineer who patented plastic welding technologies in spin welding, infrared welding and inserting techniques remains with the company. <br />
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Trinetics Group designs and manufacturers plastic and metal welding joining ...