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The partner of choice for foundries around the world

For every project and every challenge – our Chemex team is here to guide you and provide precisely tailored solutions, designed specifically for your production requirements. With a strong international network, we are the partner of choice for foundries all around the world. Since 1974, we have been offering a wide variety of best-in-class products, innovative technologies and professional service.  

You can always trust in Chemex!

Our sales management

Dipl.-Ing. Lars Zumbusch - Managing Director Sales


Lars Zumbusch has been Managing Director of Chemex Foundry Solutions GmbH since September 2020. He is responsible for sales and the company’s commercial management.

Lars Zumbusch studied foundry technology in Duisburg and began his career with the Claas Guss Group. Having held numerous positions within the Claas Guss Group, he joined Chemex in 2008 and then took up a role at Hüttenes-Albertus. After two years at Hüttenes-Albertus, he returned to Chemex as Managing Director.

Dipl.-Ing. Guido Brieger - Head of Sales


Guido Brieger has been Head of Sales at Chemex Foundry Solutions GmbH since January 2015. He is responsible for sales and the product management team.

Guido Brieger studied foundry technology in Duisburg. After graduating, he completed a one-year traineeship at Thyssen and then worked for Thyssen at the Friederich-Wilhelms-Hütte plant in the large iron castings division. After a stint as plant manager for core production, he moved to Chemex in 2002, where he was promoted from product manager to sales manager in 2015.

Our Product Management Team

Our Product Management Team comprises six foundry engineers with several decades of foundry experience and is unparalleled worldwide. Our dedicated team focuses exclusively on the field of feeder technology and works in close collaboration with our customers to develop highly efficient, customer-centred solutions.

Our team provides a comprehensive range of services, including providing extensive support during the implementation of new processes and products, supervising on-site trials and identifying ways to optimise processes. Contact us to find out more.