ISRINGHAUSEN has been manufacturing Technical Springs since 1919. Being a long time partner of the Automotive Industry, the organization shares its Know How and innovative ideas with the state of the art technology in the manufacture of the products. ISRINGHAUSEN manufactures high precision springs laying emphasis on functionality and safety.

Zhejiang ISRI SHUANGDI Spring Co., Ltd is set up by ISRINGHAUSEN and Zhejiang SHUANGDI Spring Co., Ltd (founded in 1987) in 2005, specializing in production of high quality springs and key parts for automotive industry.

ISRI SHUANGDI contains own R&D and suitable international and domestic advanced technologies and equipments, testing and inspective instruments. The Integrated Management System of ISRINGHAUSEN is implemented at ISRI SHUANGDI and certifications of ISO/TS16949: 2002 (Quality Management System), ISO14001: 2004 (Environment Management System), OHSAS 18001: 1999 (Occupational Health and Safety Management Assessment Series) have been accomplished in 2006. The product portfolio of ISRI SHUANGDI contains compression springs, tension springs, torsion springs for all Automotive applications