DSN is a company dedicated to the production of auto parts. Its headquarters is located in Qingdao, China. It has four production companies and is dedicated to the production of die-casting, precision casting of silica sol, cast iron and production of stampings.

All four factories have passed the system certification of TS16949 respectively, as well as multiple certifications such as SA8000, ISO9001, ISO14000 and Rosh.....