1. HYUNDAI, KIA. Second Tier for Engine & Mission
2. MARTINREA (CANADA, USA, MEXICO)
3. NEK Co., Ltd.
4. CORE INDUS(Rinnai Boiler)

QUALITY CERTIFICATE ISO 9001 / ISO 14001

Established Samki Tech Co., Ltd precision
Registered as cooperative business of NEK Co., Ltd.

Registered as cooperative business of HYUNDAI Motor Co., Ltd

Established Samwoo precision