Headquarters: Hwaseong Plant; Main Number: 82-31-831-3300
Ulsan Plant Number: +82-52-711-4114
Anyang Office Number: +82-02-3150-4300

MAHLE Donghyun Filter Systems Co., Ltd. was established in 1982, then, in the name of Donghyun Industrial Co., Ltd., to serve the ever-developing auto industry in Korea. Since becoming part of the MAHLE Group in 1999, the company has expanded to cater to the diversified needs of its customers worldwide.

Besides the development of innovative products, the company holds high quality and environment standards and is certified with TS 16949, ISO 14001 and OHSAS.Besides the development of innovative products, the company holds high quality and environment standards and is certified with TS 16949, ISO 14001 and OHSAS.

Behind these achievements is the invaluable talent, maintained and surpassed through the company’s dedication to the enrichment of human pool and R&D.
At present, MAHLE Donghyun Filter Systems Co., Ltd. has two production plants in Hwasung and Ulsan cities in Korea and sales office in Seoul. It has about 500 employees as at September 2011.

Customers (in alphabetical order)

  • Glovis Co. Ltd,.
  • GM Korea Company
  • Hyundai Motor Company
  • Hyundai Heavy Industries
  • Hyundai Wia Corp.
  • Hyundai Mobis
  • Kia Motors Corp.
  • Renault Samsung Mortos
  • Ssangyong Motor Company
1982 / 12 Donghyun Industrial established as exclusive supplier for Air Filter to Hyundai Motors Co., Ltd.
1986 / 07 Opened Ansan Plant
1987 / 09 Opened Ulsan Office ※ Ulsan Plant : 1995 / 10
1995 / 07 Set up China Plant in Tianjin (Tianjin Donghyun Filter)
1999 / 01 JV between Donghyun and MAHLE Filter Systems
1999 / 10 Certified for QS 9000
2003 / 01 Certified for TS 16949, ISO 14001
Started AIM Business with the acquisition of Kemsco AIM division
2003 / 06 Built up Hwasung Plant
2004 / 01 Changed the company name to MAHLE Donghyun Filter Systems
2005 / 09 Headquarter moved to Hwasung Plant
2006 / 05 Ulsan Plant consolidated with TNK Plant by its acquisition
2006 / 07 Constructed new Ulsan Plant (Land: 26,000㎡, building: 10,000㎡)
2007 / 02 Certified for ISO 14001 & OHSAS 18001
2008 / 08 Opened Seoul Sales Office
2011 / 11 Expanded Ulsan Plant (Land: 26,000㎡, building: 17,560㎡)