www.hyundai-motor.com
www.kia.co.kr
www.gmdaewoo.co.kr
www.smotor.com
www.renaultsamsungm.com
www.ksae.org
www.sae.org
www.me.go.kr
www.kiche.or.kr
www.dieselnet.com
www.epa.gov
www.arb.ca.gov
www.kda.or.kr
www.kap.or.kr
www.kdtech.or.kr
www.medinet.or.kr
www.sdcu.co.kr
www.kdha.or.kr
=== FAMILY SITE ===
Heesung Metal Ltd.
Heesung Electronics Ltd.
Heesung Chemical Ltd.
Heesung Precision Ltd.
Sambo TSFC Co.Ltd.
Heesung PMTech Corp.
Heesung Material Ltd.