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.

ISRI SHUANGDI insists on continuous improvement, enhances workshop management, processes quality control and carries out quality control activities to ensure total quality management to be the centre of our business.

By flexible production capability, ISRI SHUANGDI provides individual service to every customer. With stable quality, competitive prices and reliability on delivery, ISRI SHUANGDI has been trusted by all customers.

The German AUNDE Group - comprising by the companies AUNDE, ISRINGHAUSEN and ESTEBAN - offers additionally to the automotive customers a range of products by complete seats for trucks, commercial vehicles, passenger seats for buses, seats for construction machines as well as technical textiles and seat covers made by textile or leather for all automotive applications, which are developed and produced in 83 plants 22 countries.