Seoul Office
- Main Operations: Financial planning / HR / Sales / Purchasing / Management strategy
- Address: 18th Floor, Youngpoong Building, 41 Cheonggyecheon-ro, Jongno-gu, Seoul
- Phone: 02-3709-7777
- Fax: 02-752-4437
Siheung Plant
- Main Operations: Automotive catalysts · Environmental catalysts · Precious metal materials · Chemical catalysts · Electrode catalyst production/research
- Address: 91 Somanggongwon-ro, Siheung-si, Gyeonggi-do
- Phone: 031-496-5500
- Fax: 031-433-7100