SUPLEX is a leading manufacturer and supplier for aftermarket coil springs, leaf springs, racing springs and complete chassis suspensions. With over 5,000 different applications, they have a wide ranging portfolio of products and services. SUPLEX GmbH has existed since 1992. At this time, its base was in Mönchengladbach, hotheyver at an early stage, the company quickly had to keep an eye out for other locations. Now, since 2001, SUPLEX GmbH has its main office in Willich. The area covers approx. 30,000 m2, with a warehouse of approx. 5,000 m2 and a fully-automatic high-bay storage facility with 10,700 spaces. In 2003, SUPLEX GmbH decided to introduce the ISO 9001 quality management system. Since then, SUPLEX GmbH is ISO 9001 certified throughout. The introduction of an environmental management system ISO 14001 took place in 2011.