Grunewald GmbH & Co. KG is a family-owned company headquartered in Bocholt, Germany (North Rhine-Westphalia). With more than 200 employees, Grunewald supports the development, design, manufacturing, automation, and optimization of tools and fixtures from prototype to serial production of composite and lightweight metal parts.

With extensive expertise in the low-pressure sand casting process, we manufacture highly integrated, thin-wall lightweight metal cast parts down to large casting dimensions of up to 2500 x 1500 x 900 mm. From prototype production with 3D-printed molds to small-series production through traditional model making, we offer full manufacturing depth - from engineering to casting, suitable heat treatment, mechanical finishing, and qualification of the pa ...