PROASSORT is a German engineering services company. We offer plant contruction and industrial project management services. Our services include mechanical engineering (basic/detail engineering), proof of concept and financial project managment.PROASSORT is a leading technology provider for hydrometallurgical decoating solutions for steel, copper and brass. Our technology is are able to chemically separate tin from tin-coated copper and brass metal surfaces in a continuous process chain. While delivering a fully clean metal surface to customers, the detached tin is being recycled. It becomes TIN GRAIN, a high-purity Tin-IV-Oxide granulate designed for the requirements of the chemical industry. By recycling tin, we are contributing to a sustainable circular metals economy and reduced carbon emissions along the value chain.