The Siempelkamp Group is a global-active technology supplier for machine and plant construction, casting technology and nuclear technology. Siempelkamp is a system supplier of press lines and complete plants for the wood-based panel industry, metal forming as well as the composite and rubber industries. Siempelkamp manufactures large castings with a total weight of 320 t (353 US tons) each with one of the largest hand-molding foundries in Krefeld. The company also supplies transport and storage containers for radioactive waste and specializes in the dismantling of nuclear facilities.