STECKER Combination Switches are made by factories that have been established since 1985 and specialized to supply OEM products to more than 30 well-known automobile manufacturers. In manufacturing its products, the plant is using quality control throughout the manufacturing process, thus it obtained certificates of ISO9002: 1999, ISO9001: 2000 and ISO/TS16949: 2002.

Trials and product endurance are also being done by testing the product for 20,000 times (on-off). It becomes a basic standard of the company in determining the quality of the products.