H&T ProduktionsTechnologie has specialized in the development and construction of metal forming tools, machines and equipment for over 50 years. The company successfully makes use of servo drive technology in order to fulfill customers' requirements.

Doby Verrolec is the largest manufacturer of ductwork jointing systems in Great Britain. International market leaders in HVAC Accessories (Heating, Ventilation, Air Conditioning), its components contribute to significantly shorter installation times in HVAC systems. Manufacturing of the highest standards offer its ultimate clients lower ongoing system running costs.