SIMONSWERK GmbH, established in 1889 in Rheda-Wiedenbrück, Germany, is a leading manufacturer of high-quality hinge systems for heavy-duty, residential, and entrance doors.

SIMONSWERK GmbH upholds the highest standards of quality and safety through certifications such as DIN EN ISO 9001 for quality management, TÜV certification for hydraulic hinges under EN 1154:2006, DIN EN 1670:2007 compliance for superior corrosion resistance, and CERTIFIRE certification for fire-resistant door assemblies, ensuring reliability, durability, and excellence in performance.